MPEC 2021-G129 : 2021 GN5
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M.P.E.C. 2021-G129 Issued 2021 April 10, 21:19 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 GN5
Observations:
K21G05N* C2021 04 07.35865711 45 51.176-00 39 10.05 21.95wUEG129F51
K21G05N C2021 04 07.37080611 45 53.204-00 39 56.43 22.43wUEG129F51
K21G05N C2021 04 07.38293311 45 55.263-00 40 42.66 21.56wUEG129F51
K21G05N ^C2021 04 08.24524711 48 40.656-01 35 13.12 21.63GVEG129568
K21G05N ^C2021 04 08.24720111 48 40.994-01 35 20.46 21.63GVEG129568
K21G05N ^C2021 04 08.24819711 48 41.175-01 35 24.17 21.44GVEG129568
K21G05N KC2021 04 09.17953411 51 34.16 -02 33 14.5 21.8 GVEG129H01
K21G05N KC2021 04 09.18750611 51 35.51 -02 33 43.9 21.7 GVEG129H01
K21G05N KC2021 04 09.19357311 51 36.53 -02 34 06.1 21.7 GVEG129H01
K21G05N KC2021 04 09.20220711 51 38.00 -02 34 37.9 21.5 GVEG129H01
Observer details:
568 Mauna Kea. Observers R. Wainscoat, C. Crowder, H. Flewelling. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
Orbital elements:
2021 GN5 Earth MOID = 0.1400 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 338.19923 (2000.0) P Q
n 0.23545773 Peri. 163.94400 -0.99693744 -0.07554640
a 2.5973317 Node 11.77876 +0.05631517 -0.87283906
e 0.5634528 Incl. 5.68204 +0.05426174 -0.48212520
P 4.19 H 24.58 G 0.15 U 8
Residuals in seconds of arc
210407 F51 0.1+ 0.2- 210408 568 0.1- 0.0- 210409 H01 0.1- 0.1+
210407 F51 0.2- 0.0- 210408 568 0.1+ 0.0+ 210409 H01 0.1+ 0.0+
210407 F51 0.1- 0.2+ 210409 H01 0.0+ 0.0+
210408 568 0.0- 0.0- 210409 H01 0.0- 0.0-
Ephemeris:
2021 GN5 a,e,i = 2.60, 0.56, 6 q = 1.1339
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 11 10 18 18.4 +28 36 12 0.1634 1.1386 150.6 25.3 22.1
...
2021 03 26 11 05 06.2 +13 34 09 0.1506 1.1365 155.8 21.1 21.8
...
2021 04 03 11 31 47.1 +04 11 17 0.1567 1.1472 158.7 18.5 21.8
...
2021 04 09 11 50 59.4 -02 21 40 0.1679 1.1603 159.6 17.5 21.9
2021 04 10 11 54 05.0 -03 22 21 0.1703 1.1629 159.6 17.5 22.0
2021 04 11 11 57 08.4 -04 21 24 0.1728 1.1657 159.6 17.4 22.0
...
2021 04 17 12 14 43.1 -09 39 38 0.1913 1.1843 159.0 17.7 22.3
...
2021 04 25 12 36 02.3 -15 06 45 0.2235 1.2150 157.2 18.7 22.7
...
2021 05 10 13 10 04.1 -21 17 03 0.3055 1.2878 152.1 21.5 23.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-G129
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