[Iaude] MPEC M100: 2015 RA2 [a=2.96,e=0.57,i=15.3,H=20.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Jun 24 16:22:44 EDT 2020
M.P.E.C. 2020-M100 Issued 2020 June 24, 20:21 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2015 RA2
Revision to MPEC 2015-R24
Additional Observations:
K15R02A C2020 05 17.48872 15 57 13.991+11 14 51.87 22.1 wUEM100F51
K15R02A C2020 05 17.50120 15 57 13.254+11 14 59.57 22.0 wUEM100F51
K15R02A C2020 05 17.51391 15 57 12.503+11 15 07.91 21.8 wUEM100F51
K15R02A C2020 05 17.52635 15 57 11.793+11 15 16.01 22.2 wUEM100F51
K15R02A C2020 06 24.38983215 23 05.280+12 43 54.45 22.51wUEM100F51
K15R02A C2020 06 24.40143315 23 04.894+12 43 49.32 22.36wUEM100F51
K15R02A C2020 06 24.41304515 23 04.489+12 43 44.12 22.08wUEM100F51
K15R02A C2020 06 24.42467915 23 04.092+12 43 39.00 22.10wUEM100F51
Observer details:
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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
200517 F51 0.05+ 0.00+ 200624 F51 0.04+ 0.00+ MPO357225 +0.06 days
Orbital elements:
2015 RA2 Earth MOID = 0.2652 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 336.38287 (2000.0) P Q
n 0.19330189 Peri. 170.20001 +0.78797461 +0.60266169
a 2.9624110 Node 151.52858 -0.58129465 +0.79566793
e 0.5699519 Incl. 15.33506 -0.20295945 +0.06092156
P 5.10 H 20.1 G 0.15 U 0
Residuals in seconds of arc
150905 F51 0.0 0.0 150908 474 1.1+ 0.3+ 151015 F51 0.1- 0.0
150905 F51 0.1- 0.1+ 150908 474 0.2- 0.2- 151015 F51 0.0 0.0
150905 F51 0.0 0.1- 150908 474 0.1- 0.3+ 151108 807 0.1+ 0.0
150906 F51 0.1- 0.0 150912 474 0.3- 0.0 151108 807 0.3+ 0.0
150906 F51 0.1- 0.0 150912 474 0.3- 0.1- 151108 807 0.2- 0.5-
150906 F51 0.0 0.1+ 150912 474 0.3+ 0.3+ 200517 F51 0.0 0.3+
150907 H21 0.5+ 0.7+ 150912 474 0.0 0.2- 200517 F51 0.1- 0.1-
150907 H21 0.1+ 0.7- 150920 474 0.3+ 0.0 200517 F51 0.1- 0.0
150908 711 0.0 0.1- 150920 474 0.1+ 0.0 200517 F51 0.2+ 0.1+
150908 711 0.1+ 0.0 150920 474 0.0 0.0 200624 F51 0.0 0.1-
150908 711 0.1- 0.0 151008 474 0.0 0.2- 200624 F51 0.2+ 0.1-
150908 H21 0.2- 0.6- 151008 474 0.3+ 0.1+ 200624 F51 0.0 0.1-
150908 H21 0.1+ 0.2- 151008 474 0.3- 0.1- 200624 F51 0.0 0.1-
150908 H21 0.1- 0.4+ 151008 474 0.5+ 0.5-
150908 H21 0.3+ 0.1- 151015 F51 0.0 0.3+
Ephemeris:
2015 RA2 a,e,i = 2.96, 0.57, 15 q = 1.2740
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 05 25 15 49 52.9 +12 26 20 0.9405 1.8698 146.3 17.5 22.2
...
2020 06 09 15 34 41.9 +13 34 37 0.8853 1.7674 136.8 23.2 22.2
...
2020 06 17 15 27 49.6 +13 23 49 0.8691 1.7139 130.6 26.7 22.2
...
2020 06 23 15 23 50.4 +12 53 34 0.8616 1.6745 126.0 29.4 22.2
2020 06 24 15 23 17.7 +12 46 44 0.8607 1.6680 125.2 29.9 22.2
2020 06 25 15 22 47.3 +12 39 25 0.8598 1.6615 124.4 30.3 22.2
...
2020 07 01 15 20 33.9 +11 45 22 0.8562 1.6231 119.9 32.9 22.2
...
2020 07 09 15 19 56.6 +10 08 38 0.8543 1.5733 114.2 36.1 22.2
...
2020 07 24 15 26 29.6 +06 03 07 0.8562 1.4860 104.8 41.4 22.2
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-M100
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