MPEC 2021-H57 : 2021 GB24
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M.P.E.C. 2021-H57 Issued 2021 April 18, 22:22 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 GB24
Observations:
K21G24B C2021 04 07.57616016 05 41.409-05 35 46.45 22.53GVEH057F51
K21G24B C2021 04 07.58875216 05 40.053-05 35 41.37 21.73GVEH057F51
K21G24B C2021 04 07.60131516 05 38.700-05 35 36.28 22.73GVEH057F51
K21G24B C2021 04 07.61383116 05 37.319-05 35 31.40 22.12GVEH057F51
K21G24B* C2021 04 15.52877915 49 45.155-04 43 29.24 22.25wUEH057F51
K21G24B C2021 04 15.53917915 49 43.588-04 43 25.46 21.83wUEH057F51
K21G24B C2021 04 15.54957415 49 42.022-04 43 21.25 22.22wUEH057F51
K21G24B C2021 04 15.55997815 49 40.437-04 43 17.27 22.17wUEH057F51
K21G24B KC2021 04 16.32186515 47 51.89 -04 38 31.9 22.6 VuEH057H21
K21G24B KC2021 04 16.32795115 47 50.98 -04 38 30.0 22.4 VuEH057H21
K21G24B |C2021 04 16.33872 15 47 48.85 -04 37 56.0 21.7 GVEH057807
K21G24B |C2021 04 16.34426 15 47 47.99 -04 37 53.8 21.6 GVEH057807
K21G24B |C2021 04 16.34979 15 47 47.14 -04 37 51.5 21.6 GVEH057807
K21G24B ^C2021 04 16.61300715 47 08.490-04 36 33.14 21.51GVEH057568
K21G24B ^C2021 04 16.61398415 47 08.338-04 36 32.76 21.54GVEH057568
K21G24B ^C2021 04 16.61496115 47 08.186-04 36 32.38 21.58GVEH057568
K21G24B ^C2021 04 16.61594715 47 08.032-04 36 31.99 21.69GVEH057568
K21G24B ^C2021 04 16.61693115 47 07.883-04 36 31.65 21.71GVEH057568
K21G24B ^C2021 04 16.61791915 47 07.730-04 36 31.24 21.93GVEH057568
K21G24B ^C2021 04 16.62739615 47 06.263-04 36 27.55 21.69GVEH057568
K21G24B ^C2021 04 16.62837315 47 06.111-04 36 27.20 21.58GVEH057568
K21G24B ^C2021 04 16.62936515 47 05.959-04 36 26.79 21.64GVEH057568
K21G24B C2021 04 18.43463015 42 36.238-04 25 11.30 21.74GVEH057F51
K21G24B C2021 04 18.44972615 42 33.759-04 25 05.88 21.85GVEH057F51
K21G24B C2021 04 18.46515315 42 31.220-04 25 00.22 21.81GVEH057F51
K21G24B C2021 04 18.48063915 42 28.675-04 24 54.60 21.73GVEH057F51
Observer details:
568 Mauna Kea. Observers R. Wainscoat, L. Wells, T. Burdullis. Measurers R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
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, I. Smith, 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 1.3-m f/4.0
astrograph + CCD.
Orbital elements:
2021 GB24 Earth MOID = 0.0787 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 23.99739 (2000.0) P Q
n 0.89514039 Peri. 339.43863 +0.45925147 -0.88407236
a 1.0662899 Node 83.13675 +0.82670939 +0.38968777
e 0.2779091 Incl. 5.00552 +0.32502258 +0.25799128
P 1.10 H 22.73 G 0.15 U 6
Residuals in seconds of arc
210407 F51 0.1- 0.1- 210416 H21 0.4+ 0.6- 210416 568 0.0 0.0
210407 F51 0.1+ 0.0 210416 807 0.0 0.1- 210416 568 0.0 0.0
210407 F51 0.2+ 0.1+ 210416 807 0.1- 0.1- 210416 568 0.0 0.0
210407 F51 0.2- 0.0 210416 807 0.1- 0.1+ 210416 568 0.0 0.0
210415 F51 0.1- 0.1+ 210416 568 0.0 0.0 210418 F51 0.1+ 0.0
210415 F51 0.0 0.1- 210416 568 0.0 0.0 210418 F51 0.0 0.0
210415 F51 0.2+ 0.1+ 210416 568 0.0 0.0 210418 F51 0.1- 0.0
210415 F51 0.0 0.0 210416 568 0.0 0.0 210418 F51 0.0 0.0
210416 H21 0.0 0.1- 210416 568 0.0 0.0
Ephemeris:
2021 GB24 a,e,i = 1.07, 0.28, 5 q = 0.7700
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 19 16 21 01.4 -07 28 17 0.4096 1.2150 112.9 49.0 23.0
...
2021 04 03 16 12 14.1 -06 05 07 0.3653 1.2633 129.3 37.8 22.6
...
2021 04 11 15 59 31.7 -05 12 59 0.3455 1.2853 139.7 30.3 22.3
...
2021 04 17 15 46 12.6 -04 33 56 0.3345 1.3001 148.2 24.0 22.0
2021 04 18 15 43 42.3 -04 27 41 0.3331 1.3024 149.6 23.0 22.0
2021 04 19 15 41 07.6 -04 21 34 0.3318 1.3046 151.0 21.9 22.0
...
2021 04 25 15 24 22.1 -03 48 16 0.3273 1.3173 159.4 15.6 21.8
...
2021 05 03 15 00 04.9 -03 17 32 0.3305 1.3319 166.8 10.0 21.6
...
2021 05 18 14 18 29.9 -03 20 28 0.3663 1.3516 154.6 18.7 22.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-H57
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