MPEC 2023-Q25 : 2020 RZ5
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M.P.E.C. 2023-Q25 Issued 2023 August 19, 14:08 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 RZ5
Revision to MPEC 2020-R165
Additional Observations:
K20R05Z C2023 07 24.49702521 34 10.857-02 16 57.90 22.80GVEQ025F51
K20R05Z C2023 07 24.52093321 34 09.711-02 17 12.96 23.48GVEQ025F51
K20R05Z C2023 07 24.53292221 34 09.182-02 17 19.88 23.68GVEQ025F51
K20R05Z C2023 07 29.49729721 30 09.097-03 13 47.28 23.11GVEQ025F51
K20R05Z C2023 07 29.51480921 30 08.119-03 14 00.77 22.91GVEQ025F51
K20R05Z C2023 07 29.52343721 30 07.639-03 14 07.00 22.39GVEQ025F51
K20R05Z 0C2023 08 09.36823321 19 07.280-05 53 42.59 22.48GVEQ025T12
K20R05Z 0C2023 08 09.37236321 19 06.984-05 53 46.80 22.58GVEQ025T12
K20R05Z 0C2023 08 09.37667321 19 06.679-05 53 51.26 22.61GVEQ025T12
K20R05Z 0C2023 08 10.44851721 17 52.808-06 12 10.54 22.52GVEQ025T12
K20R05Z 0C2023 08 10.45820021 17 52.101-06 12 20.46 22.32GVEQ025T12
K20R05Z KC2023 08 17.19540221 09 48.26 -08 16 27.3 22.0 VuEQ025H21
K20R05Z KC2023 08 17.20111221 09 47.78 -08 16 33.3 22.3 VuEQ025H21
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M.
Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien +
CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
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
230724 F51 7.8+ 0.5+ 230817 H21 8.8+ 0.0+ MPO750185 +0.05 days
Orbital elements:
2020 RZ5 Earth MOID = 0.3810 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 316.52182 (2000.0) P Q
n 0.30884192 Peri. 275.20263 +0.37410707 -0.91253208
a 2.1675971 Node 151.02714 +0.92685390 +0.36186921
e 0.4640362 Incl. 19.95497 +0.03139661 +0.19061969
P 3.19 H 20.77 G 0.15 U 1
Residuals in seconds of arc
200817 F52 0.1- 0.6+ 201109 807 0.2+ 0.0 210207 807 0.2+ 0.0
200817 F52 0.3- 0.0 201109 807 0.2+ 0.1- 210207 807 0.3+ 0.2-
200821 F51 0.1- 0.1+ 201109 807 0.4- 0.3- 210207 807 0.2+ 0.1-
200821 F51 0.1- 0.4+ 201112 474 0.2+ 0.0 210207 I52 0.1- 0.3-
200821 F51 0.2+ 0.0 201112 474 0.1+ 0.0 210207 I52 0.1+ 0.1+
200912 F51 0.1+ 0.0 201112 474 0.1+ 0.1- 210207 I52 0.4- 0.1+
200912 F51 0.0 0.2+ 201112 474 0.1+ 0.1- 210303 H21 1.1- 0.5+
200912 F51 0.3+ 0.1+ 201207 807 0.3- 0.2- 210303 H21 0.9- 0.8+
200913 568 0.0 0.0 201207 807 0.1- 0.3- 210303 H21 1.1- 0.5+
200913 568 0.0 0.0 201207 807 0.3+ 0.6+ 210304 H21 0.2- 0.8+
200913 568 0.0 0.0 201209 807 0.2+ 0.1+ 210304 H21 0.5- 0.6+
200914 F51 0.1- 0.1+ 201209 807 0.2+ 0.4- 210306 H21 0.1- 0.2+
200914 F51 0.1- 0.1+ 201209 807 0.3+ 0.2- 210306 H21 0.1- 0.5-
200914 F51 0.1+ 0.1- 201220 807 0.2+ 0.1- 230724 F51 0.1+ 0.2+
200914 F51 0.0 0.0 201220 807 0.3+ 0.1- 230724 F51 0.3- 0.1-
200915 L01 0.2- 0.6- 201220 807 0.2+ 0.2+ 230724 F51 0.2+ 0.4+
200915 L01 0.5- 0.8- 210105 807 0.0 0.3+ 230729 F51 0.1- 0.7+
200915 F51 0.1- 0.1- 210105 807 0.6- 0.1- 230729 F51 0.1- 0.2+
200915 F51 0.0 0.1- 210114 807 0.5+ 0.1+ 230729 F51 0.1- 0.4+
200915 F51 0.2- 0.1+ 210114 807 0.4+ 0.4+ 230809 T12 0.0 0.1+
200915 F51 0.1+ 0.1- 210114 807 0.0 0.3+ 230809 T12 0.0 0.1+
200926 F51 0.1+ 0.0 210118 807 0.2+ 0.3+ 230809 T12 0.0 0.0
200926 F51 0.2+ 0.2+ 210118 807 0.1+ 0.1+ 230810 T12 0.0 0.0
201008 I52 0.7- 0.4- 210118 807 0.3- 0.7+ 230810 T12 0.1- 0.1+
201008 I52 1.1- 1.5- 210206 807 0.2- 0.1- 230817 H21 0.6+ 0.7-
201008 I52 0.8- 0.0 210206 807 0.1- 0.1- 230817 H21 0.0 0.1-
201008 I52 0.7+ 0.9- 210206 807 0.1+ 0.2-
Ephemeris:
2020 RZ5 a,e,i = 2.17, 0.46, 20 q = 1.1618
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 07 20 21 37 09.6 -01 34 52 1.1808 2.1153 148.5 14.5 23.6
...
2023 08 04 21 24 55.2 -04 28 36 1.0335 2.0306 165.0 7.4 22.9
...
2023 08 12 21 16 04.4 -06 39 21 0.9768 1.9844 171.2 4.5 22.6
...
2023 08 18 21 08 48.8 -08 32 02 0.9451 1.9493 169.4 5.5 22.5
2023 08 19 21 07 34.8 -08 51 47 0.9408 1.9434 168.6 5.9 22.5
2023 08 20 21 06 20.7 -09 11 46 0.9367 1.9375 167.6 6.4 22.6
...
2023 08 26 20 59 00.0 -11 15 24 0.9177 1.9019 160.9 10.0 22.6
...
2023 09 03 20 49 55.3 -14 04 35 0.9063 1.8539 150.9 15.4 22.7
...
2023 09 18 20 37 56.3 -19 04 32 0.9211 1.7629 132.4 24.9 23.0
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