[Iaude] MPEC B99: 2020 HA7 [a=1.62,e=0.46,i=11.7,H=22.84]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Jan 23 09:28:44 EST 2024
M.P.E.C. 2024-B99 Issued 2024 January 23, 14:27 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 HA7
Revision to MPEC 2020-H193
Additional Observations:
K20H07A C2017 10 23.47815603 57 28.982+03 39 37.51 22.27GVEB099F51
K20H07A C2017 10 27.46958603 58 54.605+01 11 04.84 22.40GVEB099F51
K20H07A C2017 10 27.48098703 58 54.719+01 10 37.85 23.03GVEB099F51
K20H07A C2017 10 27.49236503 58 54.794+01 10 10.49 22.92GVEB099F51
K20H07A C2017 10 27.50377903 58 54.915+01 09 43.53 22.79GVEB099F51
K20H07A C2017 10 28.51205 03 59 11.216+00 28 57.93 22.2 wLEB099F51
K20H07A C2017 10 28.52402 03 59 11.275+00 28 28.33 22.3 wLEB099F51
K20H07A C2017 10 28.53595 03 59 11.382+00 27 59.15 22.3 wLEB099F51
K20H07A C2017 10 29.43876203 59 25.047-00 09 40.84 21.58GVEB099F51
K20H07A C2017 10 29.47268603 59 25.164-00 11 06.79 22.61GVEB099F51
K20H07A C2017 10 30.51021303 59 37.378-00 55 47.72 22.75GVEB099F51
K20H07A C2017 10 30.53545303 59 37.450-00 56 53.73 22.25GVEB099F51
K20H07A C2017 10 30.54805603 59 37.459-00 57 27.00 20.76GVEB099F51
K20H07A C2017 11 09.49571403 59 37.843-09 23 40.64 21.58GVEB099F51
K20H07A C2017 11 09.50821603 59 37.568-09 24 24.28 22.45GVEB099F51
K20H07A C2017 11 09.52067403 59 37.319-09 25 07.13 21.65GVEB099F51
K20H07A C2017 11 09.53313603 59 37.029-09 25 51.07 21.82GVEB099F51
K20H07A C2017 12 08.33658103 39 43.859-44 57 17.42 21.66GVEB099F51
K20H07A C2017 12 08.34395503 39 43.199-44 57 53.84 21.62GVEB099F51
K20H07A C2017 12 08.35132703 39 42.530-44 58 30.67 21.69GVEB099F51
K20H07A C2017 12 08.35868103 39 41.845-44 59 07.73 21.35GVEB099F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith, J. Bulger, M. Willman. Measurers K. Chambers, T. de
Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, S. Chastel, L. Denneau, H.
Flewelling, E. Lilly, C. Waters. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
171023 F51 0.07- 0.00- 171208 F51 0.14- 0.08- E2023-R01 +0.04 days
Orbital elements:
2020 HA7 Earth MOID = 0.0084 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 264.57808 (2000.0) P Q
n 0.48005294 Peri. 308.21236 -0.76371042 -0.64421859
a 1.6153872 Node 191.87689 +0.63724597 -0.74200771
e 0.4628382 Incl. 11.65547 +0.10326654 -0.18549115
P 2.05 H 22.84 G 0.15 U 1
Residuals in seconds of arc
171023 F51 0.3- 0.3+ 171208 F51 0.0 0.2+ 200426 033 0.1- 0.1-
171027 F51 0.1- 0.2- 171208 F51 0.1+ 0.2+ 200426 033 0.4- 0.4-
171027 F51 0.0 0.0 171208 F51 0.0 0.3- 200427 L01 0.4- 0.2+
171027 F51 0.4- 0.2- 200418 F52 0.1- 0.1+ 200427 L01 0.1+ 0.1+
171027 F51 0.1- 0.1+ 200425 F51 0.0 0.1+ 200427 F51 0.1+ 0.0
171028 F51 0.1+ 0.0 200425 F51 0.0 0.0 200427 F51 (1.1+ 0.0 )
171028 F51 0.2- 0.1- 200425 F51 0.1+ 0.1- 200427 F51 0.0 0.1+
171028 F51 0.1+ 0.2+ 200426 I52 0.5- 0.2+ 200504 I52 0.6- 0.6-
171029 F51 0.5+ 0.1- 200426 I52 0.3- 0.1+ 200504 I52 0.7+ 0.1+
171029 F51 0.2- 0.1+ 200426 I52 0.5+ 0.0 200504 I52 0.1+ 0.6+
171030 F51 0.0 0.1- 200426 I52 0.2- 0.1+ 200514 V06 0.2- 0.2-
171030 F51 0.2+ 0.2+ 200426 734 0.7- 0.1- 200514 V06 0.3- 0.1-
171030 F51 0.1- 0.0 200426 734 0.1+ 0.2- 200514 V06 0.2+ 0.0
171109 F51 0.0 0.0 200426 734 0.7+ 0.2+ 200514 V06 0.0 0.1-
171109 F51 0.0 0.1- 200426 673 0.3+ 0.1- 200517 F51 0.1+ 0.1+
171109 F51 0.3+ 0.4+ 200426 734 0.6- 0.2+ 200517 F51 0.1+ 0.1-
171109 F51 0.0 0.2- 200426 673 0.1- 0.2+
171208 F51 0.1- 0.2- 200426 033 0.1- 0.3-
Ephemeris:
2020 HA7 a,e,i = 1.62, 0.46, 12 q = 0.8677
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 24 23 50 20.9 -08 34 18 1.0976 1.3798 82.9 45.0 25.5
...
2024 01 08 00 15 26.9 -07 05 55 1.1252 1.2744 74.0 47.9 25.4
...
2024 01 16 00 31 18.6 -06 00 26 1.1287 1.2179 70.0 49.4 25.4
...
2024 01 22 00 44 16.5 -05 03 53 1.1256 1.1759 67.4 50.6 25.3
2024 01 23 00 46 31.4 -04 53 53 1.1246 1.1689 66.9 50.8 25.3
2024 01 24 00 48 47.8 -04 43 43 1.1234 1.1620 66.5 51.0 25.3
...
2024 01 30 01 02 57.2 -03 39 28 1.1137 1.1209 64.2 52.3 25.2
...
2024 02 07 01 23 14.6 -02 05 24 1.0930 1.0679 61.6 54.3 25.2
...
2024 02 22 02 05 51.4 +01 14 37 1.0308 0.9782 57.9 58.9 25.0
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-B99
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