MPEC 2022-H12 : 2022 HC
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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
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