MPEC 2021-G166 : 2021 GQ7
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M.P.E.C. 2021-G166 Issued 2021 April 12, 18:05 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 GQ7
Observations:
K21G07Q C2021 04 08.40445812 51 19.172+05 14 53.18 21.83GVEG166F51
K21G07Q C2021 04 08.40724012 51 19.094+05 15 01.12 21.08GVEG166F51
K21G07Q C2021 04 08.41780012 51 18.860+05 15 30.68 22.02GVEG166F51
K21G07Q C2021 04 08.42057112 51 18.776+05 15 38.94 21.66GVEG166F51
K21G07Q C2021 04 08.43115012 51 18.522+05 16 07.75 22.20GVEG166F51
K21G07Q C2021 04 08.43396612 51 18.481+05 16 15.58 20.66GVEG166F51
K21G07Q C2021 04 09.35957612 51 18.401+06 00 03.66 21.86GVEG166F52
K21G07Q C2021 04 09.37567112 51 18.026+06 00 51.05 20.95GVEG166F52
K21G07Q* C2021 04 11.31365912 51 17.942+07 35 16.35 21.80wUEG166F51
K21G07Q C2021 04 11.32483912 51 17.737+07 35 49.95 21.91wUEG166F51
K21G07Q C2021 04 11.33603112 51 17.507+07 36 23.62 21.85wUEG166F51
K21G07Q |C2021 04 12.23915 12 51 15.12 +08 22 24.7 21.5 GVEG166807
K21G07Q |C2021 04 12.24358 12 51 15.09 +08 22 38.3 21.6 GVEG166807
K21G07Q |C2021 04 12.24746 12 51 15.03 +08 22 50.4 21.6 GVEG166807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2021 GQ7 Earth MOID = 0.0925 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Pike
M 246.26064 (2000.0) P Q
n 0.63627515 Peri. 77.28819 -0.16454974 +0.98635336
a 1.3387703 Node 183.25594 -0.93847699 -0.15827920
e 0.2218585 Incl. 5.57338 -0.30361872 -0.04532923
P 1.55 H 24.79 G 0.15 U 8
Residuals in seconds of arc
210408 F51 0.1+ 0.1+ 210408 F51 0.2+ 0.5- 210411 F51 0.1- 0.0+
210408 F51 0.1- 0.2+ 210409 F52 0.2+ 0.1+ 210412 807 (0.8- 0.5-)
210408 F51 0.1+ 0.1+ 210409 F52 (0.0- 1.2+) 210412 807 0.0- 0.2-
210408 F51 0.1- 0.5+ 210411 F51 0.0+ 0.0- 210412 807 0.1+ 0.2+
210408 F51 0.2- 0.4- 210411 F51 0.1+ 0.0-
Ephemeris:
2021 GQ7 a,e,i = 1.34, 0.22, 6 q = 1.0418
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 13 12 49 02.4 -08 23 47 0.2642 1.2423 157.6 17.7 23.3
...
2021 03 28 12 51 37.5 -02 22 24 0.1957 1.1927 173.7 5.2 22.1
...
2021 04 05 12 51 27.5 +02 42 08 0.1687 1.1674 171.3 7.5 21.8
...
2021 04 11 12 51 15.7 +07 19 57 0.1529 1.1492 163.1 14.7 21.8
2021 04 12 12 51 16.2 +08 09 45 0.1506 1.1463 161.7 16.0 21.8
2021 04 13 12 51 17.9 +09 00 24 0.1484 1.1434 160.2 17.3 21.8
...
2021 04 19 12 52 05.5 +14 18 23 0.1371 1.1264 151.2 25.5 21.9
...
2021 04 27 12 55 45.1 +21 40 35 0.1265 1.1055 139.3 36.4 22.0
...
2021 05 12 13 15 12.5 +34 44 07 0.1160 1.0729 120.0 54.6 22.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G166
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