MPEC 2021-G06 : 2021 GC
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M.P.E.C. 2021-G06 Issued 2021 April 2, 03:12 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 GC
Observations:
K21G00C* C2021 04 01.26759010 05 50.40 -11 33 10.5 18.41GVEG006703
K21G00C C2021 04 01.27309210 05 52.57 -11 34 02.7 18.78GVEG006703
K21G00C C2021 04 01.27860210 05 54.79 -11 34 53.8 18.57GVEG006703
K21G00C mC2021 04 01.31333110 06 08.51 -11 40 19.0 18.92GVEG006I52
K21G00C mC2021 04 01.31352010 06 08.60 -11 40 20.2 18.40GVEG006I52
K21G00C mC2021 04 01.31502010 06 09.22 -11 40 34.3 18.92GVEG006I52
K21G00C mC2021 04 01.31652410 06 09.81 -11 40 48.3 18.85GVEG006I52
K21G00C mC2021 04 01.34859410 06 22.80 -11 45 42.3 18.41GVEG006I52
K21G00C mC2021 04 01.34889810 06 22.90 -11 45 45.3 19.06GVEG006I52
K21G00C mC2021 04 01.34920310 06 23.05 -11 45 48.1 18.72GVEG006I52
K21G00C KC2021 04 01.40425 10 07 05.81 -11 50 05.7 18.8 VqEG006E23
K21G00C KC2021 04 01.41814 10 07 11.00 -11 52 15.0 18.9 VqEG006E23
K21G00C KC2021 04 01.43203 10 07 16.10 -11 54 22.8 18.8 VqEG006E23
K21G00C 5C2021 04 01.50927 10 07 44.34 -12 06 09.5 18.5 GXEG006Q62
K21G00C 5C2021 04 01.51439 10 07 46.20 -12 06 54.1 18.0 GXEG006Q62
K21G00C 5C2021 04 01.52031 10 07 48.26 -12 07 46.7 18.2 GXEG006Q62
K21G00C KC2021 04 01.79085510 09 51.17 -12 50 35.7 18.8 GVEG006595
K21G00C KC2021 04 01.79744 10 09 54.16 -12 51 28.2 18.1 GVEG006L06
K21G00C KC2021 04 01.79795 10 09 54.34 -12 51 32.4 18.5 GVEG006L06
K21G00C KC2021 04 01.79807 10 09 54.39 -12 51 33.4 18.5 GVEG006L06
K21G00C KC2021 04 01.80957 10 09 58.11 -12 53 15.3 18.4 GVEG006A17
K21G00C KC2021 04 01.81768010 10 00.33 -12 54 15.0 18.8 GVEG006595
K21G00C KC2021 04 01.81771 10 10 00.94 -12 54 21.4 18.1 GVEG006A17
K21G00C KC2021 04 01.83936 10 10 08.23 -12 57 04.5 19.1 RaEG006233
K21G00C KC2021 04 01.84470710 10 10.09 -12 57 47.7 17.8 GVEG006K63
K21G00C KC2021 04 01.84523 10 10 10.23 -12 57 51.3 18.0 RaEG006233
K21G00C KC2021 04 01.85079610 10 12.11 -12 58 36.8 17.8 GVEG006K63
K21G00C KC2021 04 01.85114310 10 11.50 -12 58 43.2 18.8 GVEG006595
K21G00C KC2021 04 01.85122 10 10 12.38 -12 58 38.8 18.5 RaEG006233
K21G00C KC2021 04 01.85198 10 10 12.61 -12 58 57.0 17.9 GVEG006A17
K21G00C KC2021 04 01.85756110 10 14.38 -12 59 29.6 17.3 GVEG006K63
K21G00C KC2021 04 01.86860 10 10 18.28 -13 01 02.3 VEG006204
K21G00C KC2021 04 01.87674 10 10 20.99 -13 02 06.7 VEG006204
K21G00C hC2021 04 01.87983310 10 21.05 -13 02 29.6 19.3 GVEG006L01
K21G00C KC2021 04 01.88077910 10 21.92 -13 02 33.7 18.2 RVEG006160
K21G00C hC2021 04 01.88243310 10 21.91 -13 02 50.0 19.1 GVEG006L01
K21G00C KC2021 04 01.88353710 10 22.84 -13 02 55.7 18.3 RVEG006160
K21G00C KC2021 04 01.88487 10 10 23.68 -13 03 10.5 19.0 GVEG006204
K21G00C KC2021 04 01.88493210 10 23.29 -13 03 07.2 19.0 RVEG006160
K21G00C hC2021 04 01.88503210 10 22.78 -13 03 10.2 18.9 GVEG006L01
K21G00C KC2021 04 01.88509410 10 23.74 -13 03 12.8 19.0 GVEG006K38
K21G00C KC2021 04 01.88630810 10 23.76 -13 03 17.8 18.8 RVEG006160
K21G00C pC2021 04 01.88741410 10 23.53 -13 03 28.6 19.5 GVEG006L01
K21G00C KC2021 04 01.88908410 10 24.65 -13 03 40.1 18.2 RVEG006160
K21G00C KC2021 04 01.90352010 10 29.83 -13 05 36.5 19.0 GVEG006K38
K21G00C KC2021 04 01.91807 10 10 34.16 -13 07 25.1 17.9 RoEG006159
K21G00C KC2021 04 01.92102710 10 35.60 -13 07 52.6 19.0 GVEG006K38
K21G00C KC2021 04 01.92394 10 10 36.16 -13 08 10.7 18.6 RoEG006159
K21G00C KC2021 04 01.92827410 10 37.97 -13 08 47.4 18.7 GVEG006203
K21G00C KC2021 04 01.92851 10 10 37.65 -13 08 46.1 18.6 RoEG006159
K21G00C KC2021 04 01.93226 10 10 38.89 -13 09 13.1 17.7 RoEG006159
K21G00C KC2021 04 01.93608 10 10 40.18 -13 09 44.0 18.5 RoEG006159
K21G00C KC2021 04 01.93945710 10 41.67 -13 10 13.9 18.9 GVEG006203
K21G00C KC2021 04 01.95096410 10 45.51 -13 11 41.9 19.2 GVEG006203
K21G00C KC2021 04 02.05894610 11 38.35 -13 25 08.3 19.1 VuEG006H21
K21G00C KC2021 04 02.06186310 11 39.28 -13 25 30.6 19.3 VuEG006H21
K21G00C KC2021 04 02.06478010 11 40.19 -13 25 52.4 19.1 VuEG006H21
K21G00C KC2021 04 02.06740410 11 41.03 -13 26 12.5 19.1 VuEG006H21
K21G00C KC2021 04 02.06935 10 11 40.78 -13 26 19.0 18.9 GXEG006W34
K21G00C KC2021 04 02.07491 10 11 42.44 -13 27 00.7 18.6 GXEG006W34
K21G00C KC2021 04 02.08176 10 11 44.52 -13 27 52.0 18.8 GXEG006W34
K21G00C C2021 04 02.11768110 12 01.43 -13 32 05.3 18.84GVEG006I52
K21G00C C2021 04 02.11798610 12 01.51 -13 32 07.3 18.72GVEG006I52
K21G00C C2021 04 02.11829010 12 01.61 -13 32 09.8 18.85GVEG006I52
Observer details:
159 Monte Agliale. Observer F. Biagini. Measurers S. Donati, F. Biagini, F.
Ciabattari, E. Mazzoni. 0.50-m f/4.6 reflector + CCD.
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer
E. Prosperi. 0.36-m f/10.2 Schmidt-Cassegrain + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
233 Sauro Donati Astronomical Observatory, San Vito. Observers S. Donati, F.
Biagini. Measurer S. Donati. 0.30-m f/9 Schmidt-Cassegrain + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 reflector + CCD.
703 Catalina Sky Survey. Observer G. J. Leonard. 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. 0.68-m Schmidt + 10K
CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6.0 Schmidt-Cassegrain + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, 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.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/6.54 Ritchey-Chretien
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea. Observer G. Ventre. Measurer
P. Sicoli. 0.36-m Schmidt-Cassegrain + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer C. Jacques. 0.50-m f/4.5
reflector + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
Schmidt-Cassegrain + CCD.
Orbital elements:
2021 GC Earth MOID = 0.0035 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 333.12077 (2000.0) P Q
n 0.93524217 Peri. 78.68223 +0.08391758 -0.99625250
a 1.0355872 Node 6.61230 +0.82852474 +0.05807914
e 0.2910391 Incl. 10.48124 +0.55362856 +0.06409188
P 1.05 H 24.48 G 0.15 U 7
Residuals in seconds of arc
210401 703 0.8- 0.1- 210401 233 0.0- 0.2- 210401 160 0.4+ 0.9-
210401 703 0.6- 0.3- 210401 K63 0.6+ 0.5+ 210401 K38 0.3+ 0.1+
210401 703 0.2+ 0.5+ 210401 233 (0.7+ 0.1+) 210401 159 1.0- 0.1+
210401 I52 0.2- 0.4- 210401 K63 0.6+ 0.0+ 210401 K38 0.0+ 0.2-
210401 I52 0.0+ 0.1+ 210401 595 0.9- 0.5+ 210401 159 0.0- 0.2-
210401 I52 0.3+ 0.2- 210401 233 (3.0+ 0.5+) 210401 203 0.1+ 0.1+
210401 I52 0.1+ 0.2- 210401 A17 1.0- 0.3+ 210401 159 0.2- 0.4-
210401 I52 0.2+ 0.1- 210401 K63 (0.9+ 1.2+) 210401 159 0.2- 1.4+
210401 I52 0.1- 0.3- 210401 204 0.1- 0.0- 210401 159 0.2+ 0.2-
210401 I52 0.3+ 0.4- 210401 204 0.1+ 0.1- 210401 203 0.0+ 0.5-
210401 E23 0.7+ 0.4+ 210401 L01 0.1+ 0.1- 210401 203 0.3+ 0.6-
210401 E23 0.9+ 0.0+ 210401 160 0.4+ 0.3+ 210402 H21 0.1- 0.0+
210401 E23 0.7+ 0.3+ 210401 L01 0.1+ 0.1- 210402 H21 0.1+ 0.1-
210401 595 0.3+ 0.4+ 210401 160 0.6+ 0.1- 210402 H21 0.0- 0.3+
210401 L06 0.1- 0.9+ 210401 204 0.1+ 0.1+ 210402 H21 0.2+ 0.0+
210401 L06 0.1- 0.8+ 210401 160 0.6+ 0.6- 210402 I52 0.1+ 0.1+
210401 L06 0.0+ 0.8+ 210401 L01 0.2+ 0.1+ 210402 I52 0.1- 0.3+
210401 A17 0.8- 0.0+ 210401 K38 0.3+ 0.4- 210402 I52 0.0- 0.1+
210401 595 0.1+ 0.2- 210401 160 0.8+ 0.4-
210401 A17 0.6- 0.0+ 210401 L01 0.4- 0.4+
Ephemeris:
2021 GC a,e,i = 1.04, 0.29, 10 q = 0.7342
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 03 23 10 46.2 +28 10 36 0.1440 0.8777 35.3 139.2 26.7
...
2021 03 18 23 36 02.4 +36 13 39 0.05267 0.9540 37.4 140.6 24.9
...
2021 03 26 05 09 33.9 +53 01 42 0.01243 0.9949 77.9 101.4 18.6
...
2021 04 01 10 03 44.1 -10 45 29 0.03333 1.0251 140.5 38.3 18.7
2021 04 02 10 11 09.6 -13 14 43 0.03892 1.0301 141.2 37.5 19.0
2021 04 03 10 16 52.9 -15 05 29 0.04459 1.0350 141.5 37.0 19.3
...
2021 04 09 10 35 38.5 -20 22 16 0.07970 1.0642 140.4 36.8 20.6
...
2021 04 17 10 48 14.0 -22 34 02 0.1283 1.1014 137.2 38.2 21.8
...
2021 05 02 11 07 09.1 -23 41 24 0.2244 1.1654 130.2 41.3 23.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G06
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