MPEC 2021-G30 : 2021 GC1
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M.P.E.C. 2021-G30 Issued 2021 April 4, 06:56 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 GC1
Observations:
K21G01C C2021 04 03.35787012 04 13.350-12 05 15.66 20.41wUEG030F51
K21G01C* C2021 04 03.35852012 04 14.216-12 05 08.65 20.33wUEG030F51
K21G01C C2021 04 03.37092012 04 30.433-12 02 56.53 19.89wUEG030F51
K21G01C C2021 04 03.37156712 04 31.277-12 02 49.63 20.05wUEG030F51
K21G01C C2021 04 03.38464412 04 48.270-12 00 29.96 20.27wUEG030F51
K21G01C C2021 04 03.39704512 05 04.289-11 58 17.36 20.07wUEG030F51
K21G01C KC2021 04 03.93565912 17 31.89 -10 29 25.1 20.6 GVEG030L01
K21G01C KC2021 04 03.93669812 17 33.09 -10 29 14.7 20.2 GVEG030L01
K21G01C KC2021 04 03.93877612 17 35.47 -10 28 55.0 20.2 GVEG030L01
K21G01C KC2021 04 03.94033412 17 37.26 -10 28 39.6 20.2 GVEG030L01
K21G01C KC2021 04 04.04846612 19 45.44 -10 11 22.6 20.3 GVEG030I93
K21G01C KC2021 04 04.05746512 19 55.61 -10 09 56.3 19.7 GVEG030I93
K21G01C KC2021 04 04.06656012 20 05.87 -10 08 30.6 19.9 GVEG030I93
K21G01C KC2021 04 04.21927 12 23 28.86 -09 44 42.3 20.4 RqEG030734
K21G01C KC2021 04 04.22281 12 23 32.57 -09 44 11.4 20.0 RqEG030734
K21G01C KC2021 04 04.22636 12 23 36.40 -09 43 38.9 19.8 RqEG030734
K21G01C KC2021 04 04.22991 12 23 40.02 -09 43 06.8 19.9 RqEG030734
K21G01C C2021 04 04.24985812 24 07.38 -09 39 30.1 19.91GVEG030G96
K21G01C C2021 04 04.25546912 24 13.23 -09 38 40.2 20.14GVEG030G96
K21G01C C2021 04 04.26108612 24 19.03 -09 37 50.3 19.98GVEG030G96
K21G01C C2021 04 04.26670112 24 24.75 -09 37 00.6 20.17GVEG030G96
Observer details:
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.7-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + 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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, D. Pujagic, V. Dobos.
Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2021 GC1 Earth MOID = 0.0097 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 314.95030 (2000.0) P Q
n 0.73516364 Peri. 304.85038 -0.78097626 -0.62431633
a 1.2158501 Node 196.54008 +0.59118949 -0.72993726
e 0.2226316 Incl. 3.51824 +0.20142261 -0.27824578
P 1.34 H 28.33 G 0.15 U 7
Residuals in seconds of arc
210403 F51 0.0+ 0.1+ 210403 L01 0.1+ 0.3- 210404 734 0.3+ 0.1+
210403 F51 0.2+ 0.2+ 210403 L01 0.0+ 0.5- 210404 734 (1.9+ 0.7+)
210403 F51 0.1+ 0.1+ 210403 L01 0.0+ 0.1- 210404 734 0.5+ 0.8+
210403 F51 0.1+ 0.1+ 210404 I93 0.8+ 0.3+ 210404 G96 (1.6- 0.1-)
210403 F51 0.1- 0.0- 210404 I93 1.2+ 0.6+ 210404 G96 0.5- 0.1-
210403 F51 0.4- 0.2- 210404 I93 1.1+ 0.5- 210404 G96 0.0+ 0.2-
210403 L01 0.0+ 0.7- 210404 734 0.4+ 1.0+ 210404 G96 0.5- 0.4-
Ephemeris:
2021 GC1 a,e,i = 1.22, 0.22, 4 q = 0.9452
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 05 02 59 26.6 -11 32 46 0.07409 0.9554 58.7 117.5 27.2
...
2021 03 20 03 55 43.2 -17 06 26 0.03189 0.9807 60.9 117.4 25.5
...
2021 03 28 06 47 24.0 -27 45 15 0.01337 0.9995 95.9 83.3 21.9
...
2021 04 03 11 54 35.0 -13 07 29 0.01636 1.0155 164.5 15.2 20.3
2021 04 04 12 18 52.7 -10 12 47 0.01855 1.0184 170.6 9.3 20.3
2021 04 05 12 37 32.9 -07 51 16 0.02093 1.0212 175.1 4.8 20.4
...
2021 04 11 13 32 49.7 -00 28 56 0.03734 1.0390 171.4 8.3 21.8
...
2021 04 19 13 56 59.2 +02 36 16 0.06190 1.0645 166.1 13.1 23.2
...
2021 05 04 14 12 08.3 +03 18 51 0.1143 1.1159 159.2 18.7 24.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G30
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