MPEC 2023-H185 : 2020 RU3
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M.P.E.C. 2023-H185 Issued 2023 April 26, 08:12 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
2020 RU3
Revision to MPEC 2020-R128
Additional Observations:
K20R03U 1C2011 10 18.21559 23 26 13.88 -05 00 39.9 21.1 VrEH185G96
K20R03U 1C2011 10 18.22082 23 26 13.84 -05 00 47.3 21.0 VrEH185G96
K20R03U 1C2011 10 18.22609 23 26 13.81 -05 00 53.7 20.6 VrEH185G96
K20R03U 1C2011 10 18.23133 23 26 13.74 -05 01 01.2 21.0 VrEH185G96
K20R03U 1C2011 10 24.13082 23 26 56.47 -07 04 18.5 20.9 VrEH185G96
K20R03U 1C2011 10 24.13664 23 26 56.54 -07 04 25.8 20.9 VrEH185G96
K20R03U 1C2011 10 24.14245 23 26 56.61 -07 04 32.3 21.1 VrEH185G96
K20R03U 1C2011 10 24.14833 23 26 56.68 -07 04 39.4 20.9 VrEH185G96
Observer details:
G96 Mt. Lemmon Survey. Observers A. D. Grauer, R. E. Hill. Measurers J. D.
Ahern, E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D.
Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
111018 G96 0.45+ 0.08+ 111024 G96 0.43+ 0.06+ E2020-TB6 -0.06 days
Orbital elements:
2020 RU3 Earth MOID = 0.3260 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 335.02377 (2000.0) P Q
n 0.43591999 Peri. 237.11850 +0.36882715 -0.92883787
a 1.7226545 Node 191.40003 +0.90099122 +0.36652223
e 0.2579778 Incl. 10.20667 +0.22843240 +0.05405239
P 2.26 H 21.21 G 0.15 U 2
Residuals in seconds of arc
111018 G96 0.0 0.3+ 200910 F52 0.0 0.2+ 200914 V06 0.8+ 0.2+
111018 G96 0.1+ 0.1- 200910 F52 0.3- 0.0 200914 V06 0.0 0.2+
111018 G96 0.3+ 0.5+ 200910 V06 0.4- 0.1+ 200914 V06 0.9+ 1.6-
111018 G96 0.1- 0.1+ 200910 V06 0.0 0.1+ 200922 H21 0.1- 0.2-
111024 G96 0.4- 0.2+ 200910 V06 0.7- 0.1+ 200922 H21 0.2- 0.3-
111024 G96 0.2- 0.3- 200910 V06 0.1- 0.1- 200922 H21 0.0 0.1-
111024 G96 0.0 0.1- 200910 F52 0.1- 0.0 201007 F51 0.1- 0.0
111024 G96 0.2+ 0.3- 200911 V06 0.1- 0.1- 201007 F51 0.0 0.2-
200910 G96 0.1+ 0.6+ 200911 V06 0.2+ 0.0 201007 F51 0.1+ 0.1+
200910 G96 0.3+ 0.3- 200911 V06 0.1- 0.2- 201012 H21 0.2+ 0.4+
200910 G96 0.5+ 0.1+ 200911 V06 0.2+ 0.3- 201012 H21 0.1+ 0.4+
200910 F52 0.2+ 0.2+ 200914 V06 0.1- 0.1- 201012 H21 0.1- 0.2+
Ephemeris:
2020 RU3 a,e,i = 1.72, 0.26, 10 q = 1.2782
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 27 01 54 17.1 +07 49 24 2.1434 1.2954 23.8 18.1 24.4
...
2023 04 11 02 43 35.7 +11 09 33 2.1562 1.2818 21.8 16.9 24.3
...
2023 04 19 03 10 37.3 +12 44 13 2.1653 1.2787 20.9 16.3 24.3
...
2023 04 25 03 31 11.3 +13 48 08 2.1733 1.2783 20.3 15.8 24.3
2023 04 26 03 34 38.3 +13 58 07 2.1748 1.2784 20.2 15.7 24.3
2023 04 27 03 38 05.7 +14 07 55 2.1763 1.2786 20.1 15.7 24.3
...
2023 05 03 03 58 56.4 +15 02 22 2.1859 1.2804 19.5 15.2 24.3
...
2023 05 11 04 26 58.3 +16 02 39 2.2008 1.2855 18.7 14.6 24.3
...
2023 05 26 05 19 52.4 +17 14 15 2.2356 1.3027 17.2 13.3 24.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H185
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