MPEC 2021-G42 : 2021 GM1
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M.P.E.C. 2021-G42 Issued 2021 April 4, 22:57 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
2021 GM1
Observations:
K21G01M*HC2021 04 04.35676713 47 03.60 -16 50 08.6 18.65GVEG042G96
K21G01M HC2021 04 04.36189013 46 51.67 -16 45 17.3 19.07GVEG042G96
K21G01M HC2021 04 04.36704013 46 39.77 -16 40 24.0 18.43GVEG042G96
K21G01M HC2021 04 04.37215913 46 27.90 -16 35 32.1 VEG042G96
K21G01M KC2021 04 04.40474813 45 14.26 -16 04 21.9 17.97GVEG042I52
K21G01M KC2021 04 04.40541013 45 12.79 -16 03 43.6 18.25GVEG042I52
K21G01M KC2021 04 04.40606413 45 11.34 -16 03 05.8 18.12GVEG042I52
K21G01M KC2021 04 04.40672213 45 09.90 -16 02 27.7 18.04GVEG042I52
K21G01M KC2021 04 04.43854013 44 01.65 -15 31 45.1 18.17GVEG042I52
K21G01M KC2021 04 04.43919513 44 00.28 -15 31 07.0 17.87GVEG042I52
K21G01M KC2021 04 04.43985013 43 58.92 -15 30 28.9 18.09GVEG042I52
K21G01M KC2021 04 04.44050513 43 57.57 -15 29 50.9 18.14GVEG042I52
K21G01M KC2021 04 04.76806 13 39 58.28 -10 44 47.7 18.5 GVEG042N82
K21G01M KC2021 04 04.77130 13 39 52.33 -10 41 59.9 17.2 GVEG042N82
K21G01M KC2021 04 04.77454 13 39 46.28 -10 39 09.8 18.2 GVEG042N82
K21G01M KC2021 04 04.89839 13 38 30.60 -08 51 42.2 19.3 GVEG042C43
K21G01M KC2021 04 04.89991 13 38 27.96 -08 50 25.3 19.3 GVEG042C43
K21G01M KC2021 04 04.90143 13 38 25.47 -08 49 09.2 19.1 GVEG042C43
K21G01M 1C2021 04 04.90161713 38 28.88 -08 47 50.9 VEG042246
K21G01M 1C2021 04 04.90191813 38 28.28 -08 47 36.7 VEG042246
K21G01M 1C2021 04 04.90217513 38 27.93 -08 47 22.8 VEG042246
K21G01M KC2021 04 04.90295 13 38 22.89 -08 47 53.5 19.2 GVEG042C43
K21G01M 1C2021 04 04.90296513 38 26.54 -08 46 43.9 VEG042246
K21G01M 1C2021 04 04.90375813 38 25.17 -08 46 03.9 18.4 GVEG042246
K21G01M 1C2021 04 04.90389813 38 24.93 -08 45 56.1 VEG042246
K21G01M 1C2021 04 04.90408413 38 24.66 -08 45 47.6 VEG042246
K21G01M 1C2021 04 04.90459313 38 23.72 -08 45 21.9 VEG042246
K21G01M KC2021 04 04.90714813 38 55.39 -08 39 46.3 18.2 GXEG042958
K21G01M KC2021 04 04.90941413 38 13.89 -08 42 11.2 18.9 GVEG042G34
K21G01M KC2021 04 04.91017613 38 47.50 -08 37 45.9 18.3 GVEG042I93
K21G01M KC2021 04 04.91290913 38 43.00 -08 35 31.1 19.1 GVEG042I93
K21G01M KC2021 04 04.91420213 38 43.71 -08 33 57.3 19.3 GXEG042958
K21G01M KC2021 04 04.91529513 38 18.11 -08 33 52.8 17.8 GVEG042104
K21G01M KC2021 04 04.91536313 38 03.78 -08 37 12.0 18.4 GVEG042G34
K21G01M KC2021 04 04.91564013 38 38.36 -08 33 14.3 18.0 GVEG042I93
K21G01M KC2021 04 04.91591 13 38 14.02 -08 35 57.3 18.0 GVEG042A17
K21G01M KC2021 04 04.91808113 38 13.15 -08 31 32.4 17.8 GVEG042104
K21G01M KC2021 04 04.92076 13 38 05.83 -08 31 54.2 18.0 GVEG042A17
K21G01M KC2021 04 04.92129713 38 31.67 -08 28 03.8 18.1 GXEG042958
K21G01M KC2021 04 04.92131513 37 53.59 -08 32 12.4 18.6 GVEG042G34
K21G01M KC2021 04 04.92689 13 37 55.27 -08 26 45.8 18.2 GVEG042A17
K21G01M KC2021 04 04.93515613 37 34.51 -08 17 58.5 18.6 GVEG042L01
K21G01M KC2021 04 04.93630313 37 32.41 -08 17 00.9 18.6 GVEG042L01
K21G01M KC2021 04 04.93688013 37 31.36 -08 16 31.7 18.6 GVEG042L01
K21G01M KC2021 04 04.93745313 37 30.29 -08 16 02.9 18.6 GVEG042L01
K21G01M KC2021 04 04.93803113 37 29.24 -08 15 33.8 18.6 GVEG042L01
K21G01M KC2021 04 04.93817013 37 36.67 -08 14 44.8 18.1 GVEG042104
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.32-m Schmidt-Cassegrain.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6.0 Schmidt-Cassegrain + CCD.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain +
CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. Measurers E. J.
Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector +
10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. Measurers
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
N82 Multa Observatory. Observer L. Elenin. 0.4-m f/1.25 reflector + CCD.
Orbital elements:
2021 GM1 Earth MOID = 0.0033 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 333.86577 (2000.0) P Q
n 0.98414042 Peri. 228.57248 -0.33558948 -0.94199360
a 1.0009937 Node 241.03664 +0.86606167 -0.30632879
e 0.0409554 Incl. 0.34499 +0.37056294 -0.13715221
P 1.00 H 30.54 G 0.15 U 5
Residuals in seconds of arc
210404 G96 0.5+ 0.1- 210404 C43 1.0- 0.9+ 210404 104 0.2- 0.2-
210404 G96 0.0- 0.0+ 210404 C43 0.2- 0.6+ 210404 G34 0.3+ 0.3+
210404 G96 0.2+ 0.1+ 210404 246 0.9+ 0.3+ 210404 I93 0.2- 0.8+
210404 G96 0.7- 0.1+ 210404 246 0.3- 0.6- 210404 A17 0.1+ 0.6-
210404 I52 0.1+ 0.3- 210404 246 1.0+ 0.3+ 210404 104 0.1+ 0.4+
210404 I52 0.1+ 0.2- 210404 C43 0.7- 0.2- 210404 A17 (1.0+ 0.7-)
210404 I52 0.0+ 0.1- 210404 246 0.5+ 0.5- 210404 958 0.2- 1.1-
210404 I52 0.2+ 0.0- 210404 246 0.4+ 0.3- 210404 G34 0.6+ 0.3+
210404 I52 0.1+ 0.3- 210404 246 0.4+ 0.4+ 210404 A17 0.0- 0.5+
210404 I52 0.0+ 0.2- 210404 246 1.1+ 0.4- 210404 L01 0.3+ 0.5+
210404 I52 0.0- 0.2- 210404 246 0.2+ 0.3- 210404 L01 0.2+ 0.3+
210404 I52 0.0+ 0.2- 210404 958 0.0- 0.4+ 210404 L01 0.3+ 0.4+
210404 N82 0.6- 0.5+ 210404 G34 0.1- 0.3+ 210404 L01 0.0+ 0.4+
210404 N82 0.4+ 1.0- 210404 I93 0.1+ 1.1+ 210404 L01 0.1+ 0.4+
210404 N82 0.2- 0.2- 210404 I93 0.8+ 0.1- 210404 104 0.4- 0.6-
210404 C43 0.5+ 0.5+ 210404 958 0.8+ 1.6-
Ephemeris:
2021 GM1 a,e,i = 1.00, 0.04, 0 q = 0.9600
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 05 00 57 18.9 -15 18 37 0.01643 0.9775 29.6 149.9 30.0
...
2021 03 20 00 44 03.5 -31 10 14 0.0085810.9886 32.8 146.9 28.1
...
2021 03 28 23 36 34.6 -57 45 32 0.0045410.9959 61.5 118.3 23.5
...
2021 04 03 14 22 00.9 -38 48 09 0.0027201.0019 140.3 39.6 19.3
2021 04 04 13 54 42.4 -21 52 51 0.0028311.0027 157.8 22.2 18.9
2021 04 05 13 35 42.7 -06 46 31 0.0030811.0034 170.0 9.9 18.6
...
2021 04 11 12 32 03.6 +38 44 49 0.0058301.0060 131.9 47.9 21.2
...
2021 04 19 11 46 10.8 +54 50 06 0.0098841.0076 109.3 70.1 23.0
...
2021 05 04 11 01 27.5 +63 38 52 0.01629 1.0083 89.8 89.3 24.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G42
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