MPEC 2023-E40 : 2017 RH15
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M.P.E.C. 2023-E40 Issued 2023 March 4, 14:05 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 RH15
Revision to MPEC 2017-S32
Additional Observations:
K17R15H 0C2023 01 20.62120512 45 05.212-02 51 25.10 23.80GVEE040T12
K17R15H 0C2023 01 20.63200112 45 05.767-02 51 25.40 23.88GVEE040T12
K17R15H 0C2023 01 22.61335312 46 57.380-02 51 43.06 23.30GVEE040T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observers D. Hung, D.
J. Tholen. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112
pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
230120 T12 0.2- 0.1- 230122 T12 0.3- 0.2- MPO435135 -0.00 days
Orbital elements:
2017 RH15 Earth MOID = 0.0459 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 66.93508 (2000.0) P Q
n 0.60150710 Peri. 305.19787 +0.38162507 -0.92376341
a 1.3898744 Node 122.33705 +0.85987684 +0.34210985
e 0.2652935 Incl. 2.16996 +0.33907836 +0.17211047
P 1.64 H 22.74 G 0.15 U 0
Residuals in seconds of arc
170817 F51 0.2- 0.2+ 171012 691 0.0 1.9- 171221 G96 0.7+ 0.3+
170817 F51 0.1- 0.1+ 171012 691 1.1+ 0.1+ 171221 691 0.1- 0.2+
170817 F51 0.1- 0.1+ 171012 691 0.5- 0.7- 171221 691 0.1+ 0.5+
170817 F51 0.1- 0.1+ 171015 691 0.2+ 0.1- 171221 691 0.0 0.0
170914 F51 0.2- 0.2+ 171015 691 0.2+ 0.1- 171221 691 0.0 0.1+
170914 F51 0.2- 0.2+ 171015 691 0.4- 0.0 171221 691 0.2+ 0.6+
170914 F51 0.1- 0.2+ 171016 691 0.2+ 0.4+ 171221 691 0.8- 0.1-
170915 691 0.3- 0.3+ 171016 691 0.0 0.0 171225 691 0.1- 0.1-
170915 691 0.1+ 0.5- 171016 691 0.2+ 0.7+ 171225 691 0.1+ 0.1+
170915 I52 0.1- 0.0 171027 691 0.2- 0.0 171225 691 0.2- 0.5-
170915 691 0.3- 0.2+ 171027 691 0.2- 0.2- 180105 691 0.6- 0.1-
170915 I52 0.2+ 0.1+ 171027 691 0.4+ 0.0 180105 691 0.3- 0.0
170915 I52 0.6+ 0.6- 171112 807 0.0 0.2- 180105 691 0.9- 0.5-
170915 I52 0.8+ 0.4- 171112 807 0.1+ 0.0 180106 691 0.2+ 0.2+
170915 568 0.1+ 0.1+ 171112 807 0.1+ 0.3- 180106 691 0.3- 0.0
170915 568 0.1+ 0.1+ 171119 691 0.6+ 0.0 180106 691 0.4- 0.1+
170915 568 0.1+ 0.1+ 171119 691 0.5+ 0.2- 180112 703 0.4+ 0.8-
170917 807 0.3- 0.2- 171119 691 0.5+ 0.3+ 180112 703 0.1- 0.2-
170917 807 0.2- 0.0 171207 691 0.7+ 0.0 180112 703 0.8+ 0.0
170917 807 0.2- 0.1+ 171207 691 0.4+ 0.1+ 180112 703 0.5+ 0.6+
170923 F51 0.1- 0.3+ 171207 691 0.5- 0.3- 180114 G96 0.4- 0.1+
170923 F51 0.1- 0.1+ 171216 807 0.7- 0.6- 180114 G96 0.2- 0.7-
170923 F51 0.1- 0.2+ 171216 807 0.0 0.1- 180114 G96 0.3- 0.1+
170923 F51 0.1- 0.3+ 171216 807 0.1- 0.2+ 180114 G96 0.0 0.2-
170923 F51 0.0 0.2+ 171219 691 0.6- 0.1+ 180123 G96 0.3- 0.1+
170923 F51 0.1- 0.2+ 171219 691 0.1+ 0.3+ 180123 G96 0.3- 0.1+
170923 F51 0.0 0.2+ 171219 691 0.0 0.0 180123 G96 0.1- 0.0
171006 695 0.2+ 0.3+ 171220 691 0.1- 0.2+ 180123 G96 0.6- 0.2+
171006 695 0.3+ 0.3+ 171220 691 0.4- 0.0 230120 T12 0.1+ 0.0
171006 695 0.2+ 0.3+ 171220 691 0.4- 0.1+ 230120 T12 0.0 0.0
171006 695 0.4+ 0.3+ 171221 G96 0.2+ 0.1- 230122 T12 0.0 0.0
171006 695 0.2+ 0.2+ 171221 G96 0.2- 0.2+
171006 695 0.1+ 0.3+ 171221 G96 0.1+ 0.2+
Ephemeris:
2017 RH15 a,e,i = 1.39, 0.27, 2 q = 1.0211
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 02 12 52 48.8 -02 26 57 0.4199 1.2464 119.4 43.5 23.0
...
2023 02 17 12 48 35.9 -00 31 00 0.4002 1.3065 136.2 31.6 22.7
...
2023 02 25 12 40 02.3 +01 06 23 0.3960 1.3385 146.7 24.0 22.5
...
2023 03 03 12 31 14.9 +02 29 34 0.3978 1.3622 155.1 17.9 22.3
2023 03 04 12 29 37.9 +02 43 50 0.3986 1.3662 156.5 16.8 22.3
2023 03 05 12 27 58.8 +02 58 09 0.3996 1.3701 157.9 15.8 22.3
...
2023 03 11 12 17 32.3 +04 23 20 0.4086 1.3934 166.3 9.7 22.2
...
2023 03 19 12 03 13.9 +06 07 21 0.4302 1.4239 174.0 4.2 22.1
...
2023 04 03 11 41 03.7 +08 17 58 0.5017 1.4787 158.9 14.1 22.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-E40
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