• MPC Preparation (Info)

  • MPEC 2022-H12 : 2022 HC

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2022-H11 Read MPEC 2022-H13


    M.P.E.C. 2022-H12                                Issued 2022 April 20, 11:11 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                     2022 HC                                 
    
    
    Observations:
         K22H00C* C2022 04 19.51748812 40 59.21 +37 28 20.6          16.2 GXEH012381
         K22H00C  C2022 04 19.51758112 40 59.74 +37 28 03.3          16.5 GXEH012381
         K22H00C  C2022 04 19.57553212 45 58.46 +34 46 26.7          16.2 GXEH012381
         K22H00C  C2022 04 19.57562512 45 58.90 +34 46 11.6          16.2 GXEH012381
         K22H00C  C2022 04 19.57577512 45 59.59 +34 45 46.8          16.0 GXEH012381
         K22H00C  C2022 04 19.57586812 46 00.10 +34 45 30.5          16.4 GXEH012381
         K22H00C  C2022 04 19.57722212 46 06.63 +34 41 49.1          16.6 GXEH012381
         K22H00C  C2022 04 19.57731512 46 07.13 +34 41 32.4          16.3 GXEH012381
         K22H00C  C2022 04 19.57745412 46 07.78 +34 41 08.8          16.4 GXEH012381
         K22H00C  C2022 04 19.57755812 46 08.26 +34 40 53.3          16.1 GXEH012381
         K22H00C  C2022 04 19.60313712 48 09.44 +33 31 19.4                XEH012381
         K22H00C  C2022 04 19.60322912 48 09.94 +33 31 05.2                XEH012381
         K22H00C  C2022 04 19.62061312 49 29.29 +32 44 26.4          17.4 GXEH012381
         K22H00C  C2022 04 19.62071812 49 29.61 +32 44 11.1          16.0 GXEH012381
         K22H00C  C2022 04 19.62074112 49 29.79 +32 44 06.2          15.9 GXEH012381
         K22H00C  C2022 04 19.62084512 49 30.21 +32 43 50.6          16.6 GXEH012381
         K22H00C  C2022 04 19.62088012 49 30.41 +32 43 46.7          17.1 GXEH012381
         K22H00C  C2022 04 19.62097212 49 30.78 +32 43 30.4          16.3 GXEH012381
         K22H00C  C2022 04 19.62358512 49 43.89 +32 36 49.1          16.5 VqEH012900
         K22H00C  C2022 04 19.62488612 49 49.69 +32 33 21.7          16.5 VqEH012900
         K22H00C  C2022 04 19.62618812 49 55.49 +32 29 54.3          16.7 VqEH012900
         K22H00C  C2022 04 19.65046312 51 40.05 +31 25 40.4          16.7 GXEH012381
         K22H00C  C2022 04 19.65055612 51 40.45 +31 25 27.2                XEH012381
         K22H00C  C2022 04 19.65069412 51 41.03 +31 25 05.0          17.2 GXEH012381
         K22H00C  C2022 04 19.65078712 51 41.44 +31 24 49.3          17.4 GXEH012381
         K22H00C  C2022 04 19.65214112 51 47.24 +31 21 17.7          16.9 GXEH012381
         K22H00C  C2022 04 19.65223412 51 47.65 +31 21 02.7          17.1 GXEH012381
         K22H00C  C2022 04 19.66597212 52 45.65 +30 45 23.8          17.2 GXEH012381
         K22H00C  C2022 04 19.66604212 52 45.92 +30 45 13.1          16.7 GXEH012381
         K22H00C  C2022 04 19.66782412 52 53.43 +30 40 36.5          16.1 GXEH012381
         K22H00C  C2022 04 19.66792812 52 53.78 +30 40 22.2          16.4 GXEH012381
         K22H00C  C2022 04 19.66928212 52 59.39 +30 36 52.9          15.8 GXEH012381
         K22H00C  C2022 04 19.66937512 52 59.80 +30 36 38.3          16.8 GXEH012381
         K22H00C  C2022 04 19.71152812 55 49.90 +28 49 50.1          16.3 GXEH012381
         K22H00C  C2022 04 19.71162012 55 50.32 +28 49 36.4          15.9 GXEH012381
         K22H00C  C2022 04 19.71224512 55 52.72 +28 48 04.5          16.9 GXEH012381
         K22H00C  C2022 04 19.71233812 55 53.05 +28 47 49.1          16.2 GXEH012381
         K22H00C  C2022 04 19.71297512 55 55.61 +28 46 13.8          16.0 GXEH012381
         K22H00C  C2022 04 19.71307912 55 56.02 +28 45 59.6          16.0 GXEH012381
         K22H00C  C2022 04 19.72803712 56 54.49 +28 09 18.5          16.8 VqEH012900
         K22H00C  C2022 04 19.72934012 56 59.46 +28 06 06.4          16.7 VqEH012900
         K22H00C  C2022 04 19.73064112 57 04.46 +28 02 54.7          16.4 VqEH012900
         K22H00C KC2022 04 19.77841213 01 29.398+26 08 43.22         16.2 rZEH012L34
         K22H00C  C2022 04 19.78288113 01 36.15 +25 56 43.0          16.3 GVEH012K88
         K22H00C  C2022 04 19.78311613 01 36.96 +25 56 10.8          16.3 GVEH012K88
         K22H00C  C2022 04 19.78335213 01 37.77 +25 55 38.3          16.4 GVEH012K88
         K22H00C  C2022 04 19.78358613 01 38.58 +25 55 06.6          16.5 GVEH012K88
         K22H00C KC2022 04 19.79737313 02 34.94 +25 23 40.7                ZEH012C95
         K22H00C KC2022 04 19.80270813 02 52.88 +25 11 38.2          16.3 GZEH012C95
         K22H00C KC2022 04 19.80389013 02 55.514+25 10 43.32         16.0 rZEH012L34
         K22H00C KC2022 04 19.80730 13 03 03.401+25 00 21.13         16.7 GVEH012A17
         K22H00C KC2022 04 19.80925 13 03 09.854+24 55 59.70         16.0 GVEH012A17
         K22H00C KC2022 04 19.81022 13 03 13.085+24 53 48.23         16.5 GVEH012A17
         K22H00C KC2022 04 19.81120 13 03 16.318+24 51 37.08         16.3 GVEH012A17
         K22H00C KC2022 04 19.81582213 03 36.23 +24 42 15.1          18.7 GZEH012C95
         K22H00C KC2022 04 19.81665713 03 37.080+24 42 07.56         16.8 rZEH012L34
         K22H00C KC2022 04 19.81884313 03 46.05 +24 35 32.3          16.7 GZEH012C95
         K22H00C KC2022 04 19.81899 13 03 40.978+24 34 15.24         16.0 GVEH012K74
         K22H00C KC2022 04 19.82076 13 03 46.730+24 30 19.19         16.3 GVEH012K74
         K22H00C KC2022 04 19.82258 13 03 52.649+24 26 17.20         16.7 GVEH012K74
         K22H00C KC2022 04 19.82319 13 03 55.406+24 24 37.15         16.3 GXEH012B72
         K22H00C KC2022 04 19.82378 13 03 57.317+24 23 19.18         16.4 GXEH012B72
         K22H00C KC2022 04 19.82407 13 03 58.258+24 22 39.83         16.4 GXEH012B72
         K22H00C KC2022 04 19.82439 13 03 59.261+24 21 58.54         16.4 GXEH012B72
         K22H00C KC2022 04 19.82498 13 04 01.157+24 20 40.63         16.1 GXEH012B72
         K22H00C KC2022 04 19.82683913 04 09.456+24 19 32.23         16.4 rZEH012L34
         K22H00C KC2022 04 19.82738 13 04 08.906+24 15 22.61         16.3 GXEH012B72
         K22H00C KC2022 04 19.82800 13 04 10.855+24 14 01.07         16.4 GXEH012B72
         K22H00C KC2022 04 19.82824 13 04 11.654+24 13 29.06         16.5 GXEH012B72
         K22H00C KC2022 04 19.82861 13 04 12.823+24 12 39.82         16.3 GXEH012B72
         K22H00C KC2022 04 19.82916 13 04 14.609+24 11 27.02         16.2 GXEH012B72
         K22H00C  C2022 04 19.85295 13 05 23.21 +23 20 10.6          15.8 GXEH012G02
         K22H00C KC2022 04 19.85303 13 05 25.35 +23 19 28.7          16.4 GVEH012C43
         K22H00C KC2022 04 19.85420 13 05 28.93 +23 16 57.0          16.3 GVEH012C43
         K22H00C  C2022 04 19.85441 13 05 27.61 +23 17 01.3          16.3 GXEH012G02
         K22H00C KC2022 04 19.85537 13 05 32.51 +23 14 25.4          16.3 GVEH012C43
         K22H00C KC2022 04 19.85654 13 05 36.08 +23 11 54.0          16.3 GVEH012C43
         K22H00C  C2022 04 19.85691 13 05 35.26 +23 11 38.0          16.4 GXEH012G02
         K22H00C KC2022 04 19.85779 13 05 39.87 +23 09 12.6          16.3 GVEH012C43
         K22H00C KC2022 04 19.86693513 06 15.480+22 49 10.70         16.8 GVEH012Z80
         K22H00C KC2022 04 19.86892413 06 21.482+22 44 57.26         16.3 GVEH012Z80
         K22H00C KC2022 04 19.87122513 06 28.366+22 40 04.40         17.1 GVEH012Z80
         K22H00C KC2022 04 19.88227013 06 57.58 +22 18 10.4          16.3 GVEH012204
         K22H00C KC2022 04 19.88636913 07 09.39 +22 09 34.3                VEH012204
         K22H00C KC2022 04 19.89046613 07 21.11 +22 01 00.4                VEH012204
         K22H00C KC2022 04 19.89622713 07 42.058+21 47 39.84         16.3 GVEH012J95
         K22H00C KC2022 04 19.89729613 07 45.096+21 45 26.86         16.5 GVEH012J95
         K22H00C KC2022 04 19.89777513 07 40.81 +21 46 13.0          16.7 GVEH012104
         K22H00C KC2022 04 19.89833713 07 42.37 +21 45 02.9          16.8 GVEH012104
         K22H00C KC2022 04 19.89999413 07 47.04 +21 41 36.8                VEH012104
         K22H00C KC2022 04 19.90104213 07 55.778+21 37 42.28         16.5 GVEH012J95
         K22H00C KC2022 04 19.90180013 07 57.917+21 36 08.68         16.4 GVEH012J95
         K22H00C KC2022 04 19.90897813 08 09.25 +21 37 30.5          16.9 GVEH012M21
         K22H00C KC2022 04 19.91468513 08 24.50 +21 25 47.2                VEH012M21
         K22H00C KC2022 04 19.91677 13 08 33.173+21 05 58.70         17.1 GVEH012K87
         K22H00C KC2022 04 19.91793 13 08 36.322+21 03 37.22         16.4 GVEH012K87
         K22H00C KC2022 04 19.91911 13 08 39.559+21 01 13.30         16.7 GVEH012K87
         K22H00C KC2022 04 19.95267213 10 15.686+19 53 40.81         16.3 GVEH012Z80
         K22H00C KC2022 04 19.95511213 10 22.051+19 48 53.17         16.3 GVEH012Z80
         K22H00C KC2022 04 19.95781513 10 29.059+19 43 35.58         16.7 GVEH012Z80
         K22H00C KC2022 04 20.01395913 13 22.210+18 10 50.92         16.8 GXEH012Y00
         K22H00C KC2022 04 20.01489413 13 24.379+18 09 07.70         16.9 GXEH012Y00
         K22H00C KC2022 04 20.01583113 13 26.537+18 07 23.88         16.8 GXEH012Y00
         K22H00C pC2022 04 20.05587713 14 18.18 +16 41 04.3          16.7 GVEH012L01
         K22H00C pC2022 04 20.05765213 14 22.28 +16 37 53.7          16.7 GVEH012L01
         K22H00C pC2022 04 20.05949913 14 26.51 +16 34 36.5          16.5 GVEH012L01
         K22H00C pC2022 04 20.06014013 14 27.99 +16 33 28.7          16.7 GVEH012L01
         K22H00C pC2022 04 20.06109613 14 30.21 +16 31 47.1          16.5 GVEH012L01
         K22H00C KC2022 04 20.06343413 15 33.434+16 29 18.35         16.4 GXEH012W34
         K22H00C KC2022 04 20.06917413 15 46.226+16 19 17.08         16.3 GXEH012W34
         K22H00C KC2022 04 20.07414613 15 57.218+16 10 39.14         16.4 GXEH012W34
         K22H00C KC2022 04 20.26457113 22 21.48 +11 06 55.8          16.6 GXEH012U55
         K22H00C KC2022 04 20.26651613 22 24.78 +11 04 08.8          16.5 GXEH012U55
         K22H00C KC2022 04 20.26846713 22 28.11 +11 01 21.3          16.6 GXEH012U55
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    381 Tokyo-Kiso.  Observer J. Beniyama.  1.05-m f/3.1 Schmidt + CCD.
    900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
    A17 Guidestar Observatory, Weinheim.  Observers M. Emmerich, S. Melchert.
        0.36-m f/6.0 Schmidt-Cassegrain + CCD.
    B72 Soerth.  Observer B. Koch.  0.36-m f/7.6 Schmidt-Cassegrain + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
        f/3.2 Newtonian reflector + CCD.
    G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.  0.40-m
        f/5.5 Corrected Dall-Kirkham + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.3-m
        f/3.75 Newtonian reflector + CCD.
    K87 Dettelbach Vineyard Observatory.  Observer B. Haeusler.  0.3-m f/8.0
        Schmidt-Cassegrain + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    L34 Galhassin Robotic Telescope, Isnello.  Observer A. Nastasi.  0.40-m f/3.8
        reflector + CCD.
    M21 Schiaparelli Southern Observatory, Hakos.  Observers A. Aletti, F.
        Bellini, L. Buzzi, G. Galli.  Measurer L. Buzzi.  0.36-m f/8.4 reflector +
        CCD.
    U55 Golden Ears Observatory, Maple Ridge.  Observer B. Kumar.  0.36-m f/2
        Schmidt-Cassegrain + CCD.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
        f/1.9 Schmidt-Cassegrain + CCD.
    Y00 SONEAR Observatory, Oliveira.  Observer C. Jacques.  0.45-m f/2.9
        reflector + CCD.
    Z80 Northolt Branch Observatory.  Observer G. Wells.  0.25-m f/8.0 Ritchey-
        Chretien + CCD.
    
    Orbital elements:
    2022 HC                                                  Earth MOID = 0.0071 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M 344.42387              (2000.0)            P               Q                  
    n   0.35364735     Peri.  109.41648     -0.77699325     -0.62683872             
    a   1.9804130      Node    31.84416     +0.52851456     -0.69955438             
    e   0.6094662      Incl.    6.30250     +0.34198516     -0.34306980             
    P   2.79           H   25.07          G   0.15           U   7                  
    Residuals in seconds of arc
    220419 381  0.2+  0.1-    220419 381  0.2+  0.1+    220419 C43  0.1-  0.1-
    220419 381  0.5+  1.7-    220419 900  0.4-  0.5+    220419 G02  1.0+  1.0-
    220419 381  0.6+  0.9-    220419 900  0.5-  0.4+    220419 C43  0.2-  0.1-
    220419 381  0.4+  0.7-    220419 900  0.1-  0.2+    220419 Z80  0.1-  0.5-
    220419 381  0.1-  0.8-    220419 L34  0.1-  0.0     220419 Z80  0.3+  0.3-
    220419 381  0.7+  1.8-    220419 K88  0.1-  0.0     220419 Z80  0.2+  0.2-
    220419 381  0.1+  0.4-    220419 K88  0.1-  0.1+    220419 204  0.1+  0.1+
    220419 381  0.7+  1.8-    220419 K88  0.2-  0.2+    220419 204  0.1+  0.1+
    220419 381  0.4+  2.5-    220419 K88  0.1-  0.7+    220419 204  0.1-  0.0
    220419 381  0.1+  0.9-    220419 C95  0.8+  0.1+    220419 J95  0.0   0.3+
    220419 381  0.1-  1.6-    220419 C95  0.5+  0.1+    220419 J95  0.3-  0.2+
    220419 381  0.8+  0.9-    220419 L34  0.2-  0.0     220419 104  0.0   0.3-
    220419 381  1.8+  2.3-    220419 A17  0.0   0.1-    220419 104  0.2-  0.5-
    220419 381  0.2-  0.8-    220419 A17  0.1-  0.2+    220419 104  0.1+  0.6-
    220419 381  0.8+  2.1-    220419 A17  0.0   0.5-    220419 J95  0.1-  0.1+
    220419 381  0.2+  1.0-    220419 A17  0.3-  0.5+    220419 J95  0.2-  0.2+
    220419 381  0.8+  0.7+    220419 C95  0.2+  0.9-    220419 M21  0.1+  0.2+
    220419 381  0.2+  0.9-    220419 L34  0.1-  0.1+    220419 M21  0.2-  0.4+
    220419 900  0.5-  0.5+    220419 C95  0.0   0.5-    220419 K87  0.4+  0.1+
    220419 900  0.5-  0.7+    220419 K74  0.0   0.0     220419 K87  0.0   0.0
    220419 900  0.4-  0.9+    220419 K74  0.0   0.0     220419 K87  0.1-  0.2+
    220419 381  0.4+  1.5-    220419 K74  0.4+  0.1-    220419 Z80  0.1-  0.3+
    220419 381  0.4+  0.1-    220419 B72  0.5+  1.4-    220419 Z80  0.1-  0.3+
    220419 381  0.3+  0.7-    220419 B72  0.5+  0.9-    220419 Z80  0.3-  0.5+
    220419 381  0.4+  1.8-    220419 B72  0.6+  1.9-    220420 Y00  0.3+  0.6-
    220419 381  0.6+  1.4-    220419 B72  0.5+  1.7-    220420 Y00  0.4+  0.3-
    220419 381  0.8+  1.9-    220419 B72  0.3+  1.2-    220420 Y00  0.3+  0.4-
    220419 381  0.4+  1.7-    220419 L34  0.6-  0.1-    220420 L01  0.3-  0.1+
    220419 381  0.1+  1.6-    220419 B72  0.3+  0.2-    220420 L01  0.1-  0.6-
    220419 381  1.1+  2.3-    220419 B72  0.0   0.5-    220420 L01  0.4-  0.4-
    220419 381  0.0   0.6-    220419 B72  0.3+  0.4-    220420 L01  0.3-  0.2+
    220419 381  0.4-  0.5-    220419 B72  0.0   0.6-    220420 L01  0.1+  0.5+
    220419 381  0.1-  0.7-    220419 B72  0.6+  1.5-    220420 W34  0.2-  0.6+
    220419 381  0.4-  1.1-    220419 G02  0.5+  1.1-    220420 W34  0.2-  0.0
    220419 381  0.4+  1.1-    220419 C43  0.4-  0.5+    220420 W34  0.1+  0.3-
    220419 381  0.3-  0.4+    220419 C43  0.4-  0.3+    220420 U55  0.3+  0.1-
    220419 381  0.7-  1.1-    220419 G02  0.0   1.2-    220420 U55  0.0   0.1+
    220419 381  0.1+  1.3-    220419 C43  0.2-  0.1+    220420 U55  0.2+  0.1-
    
    Ephemeris:
    2022 HC                  a,e,i = 1.98, 0.61, 6                   q = 0.7734
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 03 21    02 05 26.7 +26 29 01   0.2738  0.8061    40.1   127.2    27.2
    ...
    2022 04 05    02 18 24.7 +30 30 28   0.1281  0.8936    31.5   144.2    27.8
    ...
    2022 04 13    02 29 01.0 +35 46 50   0.05553 0.9552    30.7   147.6    26.7
    ...
    2022 04 19    11 04 10.7 +62 56 33   0.0087771.0057    99.8    79.7    17.6
    2022 04 20    13 12 18.7 +18 31 02   0.01161 1.0144   148.7    30.9    16.8
    2022 04 21    13 38 15.6 -01 22 24   0.01875 1.0231   169.0    10.8    17.2
    ...
    2022 04 27    14 04 07.6 -20 53 18   0.07102 1.0768   172.2     7.3    20.0
    ...
    2022 05 05    14 09 21.0 -24 00 28   0.1448  1.1505   168.2    10.4    21.8
    ...
    2022 05 20    14 15 02.6 -25 01 14   0.2955  1.2912   158.4    16.7    23.9
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-H12
    


    Read MPEC 2022-H11 Read MPEC 2022-H13


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)