MPEC 2021-G208 : 2021 GC10
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2021-G207
Read MPEC 2021-G209
M.P.E.C. 2021-G208 Issued 2021 April 14, 20:28 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 GC10
Observations:
K21G10C* C2021 04 13.40976214 07 05.76 +31 06 50.9 19.98cVEG208T08
K21G10C C2021 04 13.41160714 07 04.95 +31 06 15.0 19.89cVEG208T08
K21G10C C2021 04 13.41438214 07 03.60 +31 05 22.3 19.80cVEG208T08
K21G10C C2021 04 13.43930414 06 52.31 +30 57 32.7 20.00cVEG208T08
K21G10C C2021 04 13.48397614 06 32.07 +30 43 34.2 19.75cVEG208T08
K21G10C C2021 04 13.48489814 06 31.54 +30 43 14.9 20.02cVEG208T08
K21G10C C2021 04 13.48535914 06 31.39 +30 43 06.9 20.04cVEG208T08
K21G10C 1C2021 04 13.80769 14 04 43.16 +29 04 18.1 20.5 VVEG208033
K21G10C 1C2021 04 13.80855 14 04 42.83 +29 04 03.0 20.5 VVEG208033
K21G10C 1C2021 04 13.80942 14 04 42.53 +29 03 47.9 20.5 VVEG208033
K21G10C KC2021 04 13.81899 14 04 39.36 +29 01 03.9 19.5 GVEG208A17
K21G10C KC2021 04 13.82938214 04 36.11 +28 58 12.9 20.0 GVEG208587
K21G10C KC2021 04 13.83053614 04 35.69 +28 57 53.0 20.1 GVEG208587
K21G10C KC2021 04 13.83325 14 04 34.15 +28 56 58.5 19.9 GVEG208A17
K21G10C KC2021 04 13.84152 14 04 31.19 +28 54 37.8 19.6 GVEG208A17
K21G10C KC2021 04 13.85015914 04 29.22 +28 52 14.0 20.0 GVEG208I93
K21G10C KC2021 04 13.85172 14 04 27.45 +28 51 42.8 19.1 GVEG208A17
K21G10C KC2021 04 13.85845314 04 26.22 +28 49 52.5 20.0 GVEG208I93
K21G10C KC2021 04 13.86651514 04 23.30 +28 47 35.4 19.5 GVEG208I93
K21G10C KC2021 04 13.88517614 04 15.44 +28 42 22.9 19.6 GVEG208203
K21G10C KC2021 04 13.90563514 04 07.82 +28 36 35.7 19.8 GVEG208203
K21G10C KC2021 04 13.92828314 03 59.33 +28 30 11.8 19.6 GVEG208203
K21G10C KC2021 04 13.93340114 03 58.18 +28 28 29.3 19.2 GVEG208J69
K21G10C KC2021 04 13.93889814 03 56.15 +28 26 56.5 18.9 GVEG208J69
K21G10C KC2021 04 13.94439614 03 54.12 +28 25 24.2 19.2 GVEG208J69
K21G10C IC2021 04 13.97487214 03 42.93 +28 16 49.5 VEG208J95
K21G10C KC2021 04 13.97809414 03 41.73 +28 15 55.6 19.5 GVEG208J95
K21G10C KC2021 04 13.98130314 03 40.56 +28 15 01.8 19.6 GVEG208J95
K21G10C KC2021 04 13.98446514 03 39.39 +28 14 08.8 19.6 GVEG208J95
K21G10C KC2021 04 14.02035 14 03 24.93 +28 04 20.1 19.4 GVEG208204
K21G10C IC2021 04 14.03103 14 03 21.00 +28 01 21.4 VEG208204
K21G10C KC2021 04 14.04172 14 03 17.12 +27 58 22.5 VEG208204
K21G10C 1C2021 04 14.11749 14 02 50.27 +27 37 08.3 20.5 VVEG208033
K21G10C 1C2021 04 14.11836 14 02 49.98 +27 36 53.7 20.4 VVEG208033
K21G10C KC2021 04 14.12131 14 02 48.94 +27 36 08.9 19.2 GVEG208K74
K21G10C KC2021 04 14.12458 14 02 47.87 +27 35 14.5 20.1 GVEG208K74
K21G10C KC2021 04 14.12735 14 02 46.90 +27 34 28.5 20.0 GVEG208K74
K21G10C KC2021 04 14.14946 14 02 51.42 +27 28 47.3 19.9 RqEG208H36
K21G10C KC2021 04 14.15530 14 02 49.43 +27 27 14.0 19.6 RqEG208H36
K21G10C KC2021 04 14.16120 14 02 47.44 +27 25 39.4 19.7 RqEG208H36
K21G10C 1C2021 04 14.21803 14 02 29.38 +27 09 56.3 LEG208658
K21G10C 1C2021 04 14.21918 14 02 29.01 +27 09 38.2 LEG208658
K21G10C 1C2021 04 14.22032 14 02 28.63 +27 09 20.1 LEG208658
K21G10C 1C2021 04 14.22146 14 02 28.26 +27 09 02.1 LEG208658
K21G10C 1C2021 04 14.22375 14 02 27.52 +27 08 25.8 LEG208658
K21G10C C2021 04 14.38162 14 01 33.57 +26 27 40.1 19.2 GVEG208654
K21G10C C2021 04 14.40893 14 01 24.28 +26 20 34.1 19.9 GVEG208654
K21G10C C2021 04 14.43030 14 01 17.12 +26 15 01.5 19.9 GVEG208654
K21G10C 1C2021 04 14.81704 13 59 41.25 +24 38 44.1 20.6 VVEG208033
K21G10C 1C2021 04 14.81814 13 59 40.96 +24 38 29.2 20.6 VVEG208033
K21G10C 1C2021 04 14.81923 13 59 40.66 +24 38 13.1 20.9 VVEG208033
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + 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.
587 Sormano. Observers E. Colzani, E. Valli. Measurer P. Sicoli. 0.5-m
f/6.8 reflector + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers P. Choi, N. Saini,
C. Zhai, R. Trahan, M. Shao.
658 Dominion Astrophysical Observatory. Observers D. D. Balam, C. E. Spratt.
Measurers D. D. Balam, D. W. E. Green. 1.82-m reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6.0 Schmidt-Cassegrain + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observers F. Losse, W. D'Anna. Measurer F. Losse.
0.40-m f/3.7 reflector + CCD.
J69 North Observatory, Clanfield. Observer D. Briggs. 0.41-m f/4.5 Newtonian
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m
f/3.75 Newtonian reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland. Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, A.
Fitzsimmons, J. Robinson, N. Erasmus. 0.5-m reflector + CCD.
Orbital elements:
2021 GC10 Earth MOID = 0.0287 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 327.56459 (2000.0) P Q
n 0.52812323 Peri. 31.44944 -0.48240381 -0.87502953
a 1.5158138 Node 87.42059 +0.79510182 -0.45664061
e 0.5224031 Incl. 2.30186 +0.36755905 -0.16063213
P 1.87 H 24.50 G 0.15 U 7
Residuals in seconds of arc
210413 T08 0.2+ 1.9+ 210413 I93 0.1- 0.1- 210414 K74 0.3- 1.0+
210413 T08 0.6+ 0.7+ 210413 I93 0.1+ 0.1- 210414 K74 0.4+ 0.7+
210413 T08 0.5- 0.3+ 210413 203 0.6- 0.6+ 210414 K74 0.1+ 0.7+
210413 T08 0.6+ 0.4- 210413 203 0.2- 0.6+ 210414 H36 0.3+ 0.7-
210413 T08 0.2+ 0.0 210413 203 0.2- 0.2+ 210414 H36 0.6+ 0.3-
210413 T08 1.4- 2.0- 210413 J69 0.3+ 0.2+ 210414 H36 1.3+ 0.4-
210413 T08 0.5- 1.3- 210413 J69 0.1+ 0.1+ 210414 658 2.1- 0.9-
210413 033 0.2+ 0.4+ 210413 J69 0.0 0.5+ 210414 658 2.0- 0.8-
210413 033 0.1- 0.1+ 210413 J95 0.1+ 0.3- 210414 658 2.0- 0.8-
210413 033 0.1+ 0.0 210413 J95 0.1- 0.1- 210414 658 1.9- 0.8-
210413 A17 0.5- 0.1+ 210413 J95 0.1+ 0.1- 210414 658 1.6- 0.8-
210413 587 0.7+ 0.2- 210413 J95 0.0 0.0 210414 654 0.0 0.0
210413 587 0.7+ 0.4- 210414 204 0.3- 0.5- 210414 654 0.0 0.1-
210413 A17 (0.9- 0.9-) 210414 204 0.3- 0.3- 210414 654 0.0 0.1-
210413 A17 0.2- 0.2- 210414 204 0.2+ 0.2- 210414 033 0.1- 0.1-
210413 I93 0.3- 0.3+ 210414 033 0.1+ 0.2+ 210414 033 0.1+ 0.5+
210413 A17 0.2- 0.7- 210414 033 0.2+ 0.0 210414 033 0.1+ 0.3-
Ephemeris:
2021 GC10 a,e,i = 1.52, 0.52, 2 q = 0.7239
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 15 01 13 36.9 +17 13 26 0.2130 0.8177 30.3 142.1 27.8
...
2021 03 30 01 00 44.8 +34 22 00 0.08482 0.9272 31.3 145.9 26.7
...
2021 04 07 20 59 55.6 +76 33 53 0.03927 0.9928 76.9 100.9 21.1
...
2021 04 13 14 09 53.4 +33 21 50 0.05542 1.0435 136.4 41.5 19.9
2021 04 14 14 03 32.8 +28 10 59 0.06171 1.0520 141.6 36.3 20.0
2021 04 15 13 58 50.0 +23 57 30 0.06847 1.0605 145.8 32.1 20.2
...
2021 04 21 13 45 02.0 +09 46 10 0.1143 1.1119 158.3 19.5 21.0
...
2021 04 29 13 39 08.5 +02 11 42 0.1826 1.1801 159.9 17.0 22.1
...
2021 05 14 13 38 37.9 -03 47 28 0.3271 1.3054 150.5 22.4 23.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G208
Read MPEC 2021-G207
Read MPEC 2021-G209
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)