MPEC 2019-A207: 2017 RD15
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M.P.E.C. 2019-A207 Issued 2019 Jan. 13, 01:04 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
2017 RD15
Revision to MPEC 2017-S28
Additional Observations:
K17R15D C2014 08 28.49853023 18 52.926-19 17 33.80 22.0 GVEA207F51
K17R15D C2014 08 28.50924923 18 52.190-19 17 41.60 21.0 GVEA207F51
K17R15D C2014 08 28.51996823 18 51.424-19 17 49.21 22.0 GVEA207F51
K17R15D C2014 09 18.42139422 50 45.286-23 06 04.14 21.7 GVEA207F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
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, reference and Delta-T
140828 F51 26.7- 9.3- 140918 F51 27.3- 6.9- MPO441100 +0.00007 day
Orbital elements:
2017 RD15 Earth MOID = 0.0759 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 145.80560 (2000.0) P Q
n 0.33370188 Peri. 10.18746 -0.15038376 -0.97999092
a 2.0585604 Node 88.54926 +0.89762444 -0.19062189
e 0.4866254 Incl. 7.49476 +0.41431278 +0.05728075
P 2.95 H 19.5 G 0.15 U 2
Residuals in seconds of arc
140828 F51 0.2- 0.2- 170915 691 0.2+ 0.7- 171118 807 0.5+ 0.1+
140828 F51 0.2+ 0.3- 170915 691 0.8+ 1.0+ 171118 807 0.1+ 0.1-
140828 F51 0.1+ 0.2- 170917 807 0.1- 0.3+ 171118 807 0.1- 0.4-
140918 F51 0.1+ 0.0 170917 807 0.0 0.2- 171208 807 0.2+ 0.1+
170913 F51 0.4- 0.1- 170917 807 0.1+ 0.0 171208 807 0.0 0.4+
170913 F51 0.2- 0.1+ 170918 691 0.0 0.4- 171208 807 0.1+ 0.2+
170913 F51 0.2- 0.0 170918 691 0.1- 0.1+ 180114 691 0.2- 0.1-
170914 W85 0.3- 0.3+ 170918 691 0.4- 0.2+ 180114 691 0.5+ 0.3-
170914 W85 0.3- 0.0 170921 F51 0.0 0.2+ 180120 691 0.2+ 0.2+
170914 W85 0.4- 0.2+ 170921 F51 0.0 0.1+ 180120 691 0.1+ 0.1-
170914 807 0.2+ 0.0 170921 F51 0.0 0.0 180205 691 0.0 0.2-
170914 807 0.0 0.4+ 170921 F51 0.0 0.1+ 180205 691 0.0 0.1+
170914 807 0.7- 0.4+ 171018 474 0.4+ 0.2- 180205 691 0.2+ 0.2+
170914 691 0.3- 0.5+ 171018 474 0.4+ 0.5- 180206 691 0.9- 1.0+
170914 691 0.3- 0.3- 171018 474 0.4+ 0.1- 180206 691 0.2+ 0.9-
170914 691 0.2- 0.2+ 171028 807 0.1+ 0.1- 180206 691 0.6+ 0.8-
170914 568 0.2+ 0.1- 171028 807 0.2- 0.3- 180313 291 0.0 0.5+
170914 568 0.2+ 0.0 171028 807 0.1- 0.2- 180313 291 0.1- 0.5+
170914 568 0.2+ 0.1- 171107 F51 0.2+ 0.1+ 180313 291 0.4- 0.3+
170915 691 0.2+ 0.1+ 171107 F51 0.0 0.0
Ephemeris:
2017 RD15 a,e,i = 2.06, 0.49, 7 q = 1.0568
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 14 16 30 50.1 -19 33 53 3.5720 2.6213 12.8 4.8 24.8
...
2018 12 29 16 55 24.0 -20 30 45 3.5612 2.6762 22.1 8.0 25.0
...
2019 01 06 17 08 07.0 -20 54 17 3.5400 2.7039 27.3 9.6 25.0
...
2019 01 12 17 17 26.0 -21 09 02 3.5172 2.7239 31.2 10.8 25.1
2019 01 13 17 18 57.9 -21 11 15 3.5128 2.7272 31.8 11.0 25.1
2019 01 14 17 20 29.5 -21 13 25 3.5083 2.7305 32.5 11.2 25.1
...
2019 01 20 17 29 30.8 -21 25 03 3.4777 2.7498 36.5 12.3 25.1
...
2019 01 28 17 41 09.3 -21 37 15 3.4283 2.7745 41.9 13.7 25.2
...
2019 02 12 18 01 34.2 -21 51 18 3.3102 2.8180 52.4 16.1 25.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A207
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