• MPC Preparation (Info)

  • MPEC 2018-H102: 2018 HM2

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    M.P.E.C. 2018-H102                               Issued 2018 Apr. 29, 11:29 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
    
                                       2018 HM2
    
    Observations:
         K18H02M* C2018 04 27.43376 16 20 52.35 +05 56 36.9          16.7 GUEH102703
         K18H02M  C2018 04 27.43831 16 20 45.03 +05 55 34.2          16.8 GUEH102703
         K18H02M  C2018 04 27.44286 16 20 37.70 +05 54 31.1          16.7 GUEH102703
         K18H02M  C2018 04 27.44741 16 20 30.35 +05 53 28.2          16.6 GUEH102703
         K18H02M  C2018 04 27.46108 16 20 08.41 +05 50 18.3          16.2 GUEH102I52
         K18H02M  C2018 04 27.46120 16 20 08.17 +05 50 16.4          16.8 GUEH102I52
         K18H02M  C2018 04 27.46132 16 20 07.98 +05 50 14.8          16.4 GUEH102I52
         K18H02M  C2018 04 27.46145 16 20 07.78 +05 50 12.9          16.6 GUEH102I52
         K18H02M  C2018 04 27.47863 16 19 40.13 +05 46 14.3          17.0 GUEH102703
         K18H02M  C2018 04 27.47948 16 19 38.77 +05 46 03.0                UEH102703
         K18H02M  C2018 04 27.47971 16 19 38.47 +05 45 58.8                UEH102703
         K18H02M  C2018 04 27.55396 16 18 12.54 +05 28 22.2          17.4 RrEH102P93
         K18H02M  C2018 04 27.55612 16 18 09.10 +05 27 52.0          17.3 RrEH102P93
         K18H02M  C2018 04 27.55721 16 18 07.40 +05 27 37.0          17.5 RrEH102P93
         K18H02M  C2018 04 27.56155 16 18 00.47 +05 26 36.7          17.3 RrEH102P93
         K18H02M  C2018 04 27.57623 16 17 36.48 +05 23 11.2          17.0 VqEH102900
         K18H02M  C2018 04 27.58031 16 17 29.91 +05 22 13.7          17.4 VqEH102900
         K18H02M [C2018 04 27.58387 16 17 21.20 +05 27 43.9          17.2 VqEH102Q62
         K18H02M  C2018 04 27.58440 16 17 23.31 +05 21 16.2          17.7 VqEH102900
         K18H02M [C2018 04 27.58524 16 17 18.95 +05 27 24.6          17.3 VqEH102Q62
         K18H02M [C2018 04 27.58764 16 17 14.99 +05 26 50.8          17.3 VqEH102Q62
         K18H02M  C2018 04 27.58850 16 17 16.72 +05 20 20.0          17.0 VqEH102900
         K18H02M KC2018 04 27.84123 16 10 48.69 +04 18 42.5          17.4 VSEH102L01
         K18H02M KC2018 04 27.84276 16 10 46.24 +04 18 19.8          17.4 VSEH102L01
         K18H02M KC2018 04 27.84435 16 10 43.68 +04 17 56.6          17.4 VSEH102L01
         K18H02M KC2018 04 27.84749 16 10 38.63 +04 17 11.0          17.4 VSEH102L01
         K18H02M KC2018 04 27.84904 16 10 36.14 +04 16 48.6          17.4 VSEH102L01
         K18H02M  C2018 04 27.85792 16 10 21.80 +04 14 38.2          17.0 VSEH102L01
         K18H02M  C2018 04 27.85841 16 10 20.98 +04 14 31.4          17.0 VSEH102L01
         K18H02M  C2018 04 27.85867 16 10 20.57 +04 14 27.3          16.9 VSEH102L01
         K18H02M  C2018 04 27.85891 16 10 20.19 +04 14 24.1          17.0 VSEH102L01
         K18H02M  C2018 04 27.85940 16 10 19.38 +04 14 17.2          16.7 VSEH102L01
         K18H02M  C2018 04 27.85990 16 10 18.58 +04 14 09.6          17.0 VSEH102L01
         K18H02M  C2018 04 27.86041 16 10 17.76 +04 14 03.1          16.9 VSEH102L01
         K18H02M  C2018 04 27.86065 16 10 17.32 +04 13 58.2          17.0 VSEH102L01
         K18H02M KC2018 04 27.90168 16 09 11.81 +04 04 00.8          17.1 VqEH102C95
         K18H02M KC2018 04 27.91121 16 08 56.13 +04 01 40.8          17.2 VqEH102C95
         K18H02M KC2018 04 27.92074 16 08 40.35 +03 59 20.3          17.2 VqEH102C95
         K18H02M KC2018 04 27.92368 16 08 31.63 +03 58 21.8          16.9 RoEH102K88
         K18H02M KC2018 04 27.92538 16 08 28.79 +03 57 56.3          16.7 RoEH102K88
         K18H02M KC2018 04 27.92708 16 08 25.93 +03 57 31.0          16.7 RoEH102K88
         K18H02M KC2018 04 27.92878 16 08 23.11 +03 57 06.1          16.7 RoEH102K88
         K18H02M KC2018 04 27.93028 16 08 24.50 +03 56 58.8          17.2 VqEH102C95
         K18H02M KC2018 04 27.93048 16 08 20.27 +03 56 40.8          16.8 RoEH102K88
         K18H02M KC2018 04 27.93219 16 08 17.38 +03 56 15.7          16.9 RoEH102K88
         K18H02M KC2018 04 27.93982 16 08 08.55 +03 54 37.9          17.1 VqEH102C95
         K18H02M KC2018 04 27.96858 16 07 20.17 +03 47 30.1          17.4 VqEH102C95
         K18H02M KC2018 04 28.00068 16 06 34.16 +03 40 46.1          16.6 RqEH102J22
         K18H02M KC2018 04 28.00277 16 06 30.57 +03 40 13.2          16.6 RqEH102J22
         K18H02M KC2018 04 28.00486 16 06 27.03 +03 39 41.9          16.7 RqEH102J22
         K18H02M KC2018 04 28.00576 16 06 14.60 +03 38 05.3          17.1 VqEH102595
         K18H02M KC2018 04 28.00832 16 06 10.21 +03 37 26.9          17.1 VqEH102595
         K18H02M KC2018 04 28.01089 16 06 05.82 +03 36 48.0          17.1 VqEH102595
         K18H02M KC2018 04 28.16940 16 02 02.51 +02 57 00.9          16.7 RqEH102734
         K18H02M KC2018 04 28.17033 16 02 00.92 +02 56 46.9          17.0 RqEH102734
         K18H02M KC2018 04 28.17149 16 01 58.97 +02 56 29.0          16.9 RqEH102734
         K18H02M KC2018 04 28.17241 16 01 57.40 +02 56 15.0          17.0 RqEH102734
         K18H02M  C2018 04 28.42212 15 54 41.12 +01 51 02.0          16.8  rEH102718
         K18H02M  C2018 04 28.42304 15 54 39.48 +01 50 47.6          16.8  rEH102718
         K18H02M  C2018 04 28.42395 15 54 37.82 +01 50 33.2          16.6  rEH102718
         K18H02M  C2018 04 28.42486 15 54 36.24 +01 50 18.8          16.4  rEH102718
         K18H02M  C2018 04 28.42577 15 54 34.58 +01 50 04.3          16.8  rEH102718
         K18H02M  C2018 04 28.42717 15 54 32.04 +01 49 42.1          17.1  rEH102718
         K18H02M  C2018 04 28.58696 15 50 18.22 +01 07 22.3          16.3 RrEH102P93
         K18H02M  C2018 04 28.58926 15 50 14.04 +01 06 44.6          16.5 RrEH102P93
         K18H02M  C2018 04 28.59155 15 50 09.88 +01 06 07.8          16.6 RrEH102P93
         K18H02M  C2018 04 28.59212 15 50 08.80 +01 05 58.5          16.4 RrEH102P93
         K18H02M `C2018 04 28.60308 15 49 43.97 +01 09 40.5          17.0 VUEH102Q62
         K18H02M `C2018 04 28.61063 15 49 30.01 +01 07 37.7          16.7 VUEH102Q62
         K18H02M `C2018 04 28.61802 15 49 16.30 +01 05 37.7          16.6 VUEH102Q62
         K18H02M `C2018 04 28.62585 15 49 01.78 +01 03 30.3          16.6 VUEH102Q62
         K18H02M  C2018 04 28.64110 15 48 37.91 +00 52 39.9          17.0 VqEH102900
         K18H02M  C2018 04 28.64512 15 48 30.47 +00 51 34.1          17.1 VqEH102900
         K18H02M  C2018 04 28.64913 15 48 23.02 +00 50 28.5          17.1 VqEH102900
         K18H02M  C2018 04 28.65316 15 48 15.55 +00 49 22.8          17.1 VqEH102900
         K18H02M KC2018 04 29.01502 15 37 34.07 -00 52 15.7          17.0 VSEH102C47
         K18H02M KC2018 04 29.02059 15 37 23.53 -00 53 50.1          17.2 VSEH102C47
         K18H02M KC2018 04 29.02139 15 37 22.02 -00 54 03.4          17.1 VSEH102C47
         K18H02M KC2018 04 29.08647 15 35 17.55 -01 12 29.4                SEH102118
         K18H02M KC2018 04 29.09000 15 35 10.85 -01 13 29.8                SEH102118
         K18H02M KC2018 04 29.09353 15 35 04.18 -01 14 30.1                SEH102118
         K18H02M KC2018 04 29.09707 15 34 57.42 -01 15 31.2                SEH102118
         K18H02M KC2018 04 29.16924 15 33 09.05 -01 35 03.9          16.2 GUEH102W34
         K18H02M KC2018 04 29.17640 15 32 55.25 -01 37 07.8          16.2 GUEH102W34
         K18H02M KC2018 04 29.18493 15 32 38.74 -01 39 34.8          16.2 GUEH102W34
         K18H02M KC2018 04 29.18975 15 32 29.45 -01 40 57.4          16.5 GUEH102W34
         K18H02M KC2018 04 29.19938 15 32 10.76 -01 43 43.3          16.3 GUEH102W34
    
    Observer details:
    118 Modra.  Observer S. Gajdos.  0.6-m f/5.5 reflector + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.0 reflector + CCD.
    703 Catalina Sky Survey.  Observer G. J. Leonard.  Measurers B. M. Africano,
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
        0.68-m Schmidt + 10K CCD.
    718 Tooele.  Observer P. Wiggins.  0.35-m f/5.5 Schmidt-Cassegrain + CCD.
    734 Farpoint Observatory.  Observer B. Troth.  Measurer G. Hug.  0.7-m
        reflector + CCD.
    900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
    C47 Nonndorf.  Observer G. Dangl.  0.25-m f/4.8 reflector + CCD.
    C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
        f/3.2 Newtonian reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
        Measurers B. M. Africano, E. J. Christensen, D. C. Fuls, A. R. Gibbs,
        A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    J22 Tacande Observatory, La Palma.  Observer K. Hills.  0.5-m f/2.9 astrograph
        + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer R. Konyves-Toth.  Measurer
        K. Sarneczky.  0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    P93 Space Tracking and Communications Center, JAXA.  Observers S. Okumura,
        A. Asami.  1.0-m f/3.0 reflector + CCD.
    Q62 iTelescope Observatory, Siding Spring.  Observers M. Suzuki, S. M. Tilley.
        0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer, 0.50-m f/6.8 reflector
        + CCD + focal reducer.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.20-m f/10
        Schmidt-Cassegrain + CCD + f/7.0 focal reducer.
    
    Orbital elements:
    2018 HM2                                                 Earth MOID = 0.0226 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 118.25041              (2000.0)            P               Q
    n   1.28735637     Peri.    6.85696     +0.67448933     -0.72788684
    a   0.8368935      Node    40.83742     +0.66807991     +0.53057694
    e   0.2336622      Incl.   10.88375     +0.31421867     +0.43436029
    P   0.77           H   23.8           G   0.15           U   7
    Residuals in seconds of arc
    180427 703  0.4-  0.2-    180427 L01  0.3+  0.6-    180428 718  0.0   0.2+
    180427 703  0.1-  0.0     180427 L01  0.5+  0.3-    180428 718  0.3-  0.3+
    180427 703  0.1-  0.1-    180427 L01  0.3+  0.0     180428 718  0.5+  0.3+
    180427 703  0.3-  0.0     180427 L01  0.4+  0.3-    180428 718  0.2+  0.3+
    180427 I52  0.7+  0.1+    180427 L01  0.5+  0.7+    180428 718  0.1-  0.5+
    180427 I52  0.0   0.2-    180427 L01  0.2-  0.7-    180428 P93  0.1+  0.3+
    180427 I52  0.1+  0.1-    180427 C95  0.2-  0.3-    180428 P93  0.3+  0.1-
    180427 I52  0.2+  0.2-    180427 C95  0.2+  0.1+    180428 P93  0.5+  0.2+
    180427 703  0.4+  0.5+    180427 C95  0.1+  0.2+    180428 P93  0.1-  0.2+
    180427 703  0.5+  1.1+    180427 K88  0.0   0.3+    180428 Q62  0.2-  0.0
    180427 703 (1.5+  0.1+)   180427 K88  0.0   0.0     180428 Q62  0.0   0.2-
    180427 P93  0.0   0.1-    180427 K88  0.2-  0.1-    180428 Q62  0.1-  0.1-
    180427 P93  0.3-  0.3-    180427 K88  0.2+  0.2+    180428 Q62  0.2+  0.1-
    180427 P93  0.1+  0.2-    180427 C95  0.2+  0.2-    180428 900  0.0   0.3+
    180427 P93  0.5-  0.1-    180427 K88  0.4+  0.1+    180428 900  0.1+  0.2+
    180427 900  0.1+  0.1+    180427 K88  0.1+  0.3+    180428 900  0.1-  0.1+
    180427 900  0.1-  0.4-    180427 C95  0.2-  0.2+    180428 900  0.0   0.2+
    180427 Q62  0.5+  0.4+    180427 C95  0.4-  0.1-    180429 C47  0.0   0.0
    180427 900  0.4-  0.8-    180428 J22  0.5-  1.1+    180429 C47  0.6+  0.1+
    180427 Q62  0.3+  0.3+    180428 J22  1.0-  0.6-    180429 C47  0.8+  0.4+
    180427 Q62  0.3-  0.1+    180428 J22  0.7-  0.7-    180429 118 (1.8-  0.3-)
    180427 900  0.1-  0.4+    180428 595  0.1-  0.1-    180429 118 (1.8-  0.5-)
    180427 L01  0.2-  0.2+    180428 595  0.3-  0.0     180429 118  1.5-  0.6-
    180427 L01  0.0   0.2-    180428 595  0.2-  0.3-    180429 118 (2.2-  1.3-)
    180427 L01  0.0   0.2-    180428 734  0.3-  0.1-    180429 W34  0.3+  0.0
    180427 L01  0.1+  0.0     180428 734  0.5-  0.1+    180429 W34  0.2+  0.6-
    180427 L01  0.2+  0.2+    180428 734  0.2-  0.0     180429 W34  0.4-  0.6-
    180427 L01  0.6+  0.6-    180428 734  0.3-  0.1+    180429 W34  0.2+  0.0
    180427 L01  0.2+  0.3-    180428 718  0.2-  0.1-    180429 W34  0.1+  0.2+
    
    Ephemeris:
    2018 HM2                 a,e,i = 0.84, 0.23, 11                  q = 0.6413
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 03 30    19 25 02.6 +27 28 13   0.1156  0.9787    76.8    96.6    22.5
    ...
    2018 04 14    18 49 05.8 +24 32 44   0.06633 1.0107    94.9    81.4    20.8
    ...
    2018 04 22    17 54 16.3 +18 51 33   0.03993 1.0220   114.0    63.9    19.1
    ...
    2018 04 28    16 06 22.2 +03 43 42   0.02475 1.0278   148.3    31.0    17.2
    2018 04 29    15 38 03.3 -00 43 02   0.02340 1.0285   157.2    22.3    16.8
    2018 04 30    15 06 54.7 -05 34 58   0.02261 1.0292   166.8    12.9    16.4
    ...
    2018 05 06    12 04 16.7 -27 13 04   0.02994 1.0318   140.0    38.9    17.8
    ...
    2018 05 14    10 17 41.1 -32 02 50   0.05474 1.0316   111.2    66.0    19.9
    ...
    2018 05 29    09 26 48.5 -32 42 29   0.1058  1.0201    90.6    83.4    21.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-H102
    

    Read MPEC 2018-H101 Read MPEC 2018-H103


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