MPEC 2023-M176 : 2020 MR3
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M.P.E.C. 2023-M176 Issued 2023 June 30, 14:10 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 MR3
Revision to MPEC 2020-M136
Additional Observations:
K20M03R C2014 05 27.55755719 55 34.199-32 03 59.85 21.46GVEM176F51
K20M03R C2014 07 25.29205015 31 26.234-17 14 53.39 22.87GVEM176F51
K20M03R C2014 07 25.30261415 31 25.710-17 14 46.31 21.57GVEM176F51
K20M03R C2017 06 21.51022919 08 54.800-24 33 41.32 21.01GVEM176F51
K20M03R C2017 06 21.54258519 08 42.895-24 33 31.67 21.45GVEM176F51
K20M03R 0C2023 06 21.60443522 03 30.738-07 38 53.78 23.42GVEM176T12
K20M03R 0C2023 06 23.50607222 03 45.332-06 59 48.49 22.86GVEM176T12
K20M03R 0C2023 06 23.51061322 03 45.311-06 59 42.76 22.95GVEM176T12
K20M03R C2023 06 25.55532022 03 44.864-06 14 41.24 21.44GVEM176F52
K20M03R C2023 06 25.56761622 03 44.703-06 14 25.25 22.55GVEM176F52
K20M03R C2023 06 25.57990922 03 44.536-06 14 08.07 22.02GVEM176F52
K20M03R C2023 06 25.59220422 03 44.372-06 13 51.10 22.04GVEM176F52
K20M03R KC2023 06 28.42647222 03 15.217-05 05 10.86 23.08GVEM176V06
K20M03R KC2023 06 28.43143022 03 15.109-05 05 03.66 22.56GVEM176V06
K20M03R KC2023 06 28.44134622 03 14.839-05 04 48.68 22.40GVEM176V06
K20M03R KC2023 06 29.41052022 02 56.202-04 39 18.07 22.99GVEM176V06
K20M03R KC2023 06 29.41664922 02 56.047-04 39 09.00 21.79GVEM176V06
K20M03R KC2023 06 29.42276422 02 55.849-04 38 59.39 23.21GVEM176V06
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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, 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.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. Hung.
Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels
STA1600 10k CCD.
V06 Catalina Sky Survey-Kuiper. Observer J. K. Hogan. Measurers E. J.
Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W. Wierzchos. 1.55-m
reflector + 1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
140527 F51 26.6+ 29.3+ 230629 V06 41.3+ 23.2+ E2020-O15 -0.01 days
Orbital elements:
2020 MR3 Earth MOID = 0.0751 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 67.83040 (2000.0) P Q
n 1.33153815 Peri. 175.09698 -0.03521777 -0.98903476
a 0.8182769 Node 276.87024 +0.91193163 +0.02690439
e 0.6059200 Incl. 8.30598 +0.40882810 -0.14521155
P 0.74 H 22.75 G 0.15 U 2
Residuals in seconds of arc
140527 F51 0.3- 0.3- 200623 F51 0.4- 0.0 230621 T12 0.1- 0.0
140725 F51 0.5+ 0.0 200627 F51 0.1- 0.0 230623 T12 0.1- 0.0
140725 F51 0.1+ 0.2+ 200627 F51 0.0 0.1- 230623 T12 0.2- 0.0
170621 F51 0.0 0.1- 200627 F51 0.1- 0.1- 230625 F52 0.4- 0.6+
170621 F51 0.3- 0.1- 200627 F52 0.1- 0.1- 230625 F52 0.3- 0.3-
200617 F51 0.1+ 0.0 200627 F52 0.2- 0.1- 230625 F52 0.2- 0.1+
200617 F51 0.1- 0.1- 200627 F52 0.1- 0.0 230625 F52 0.1- 0.1+
200617 F51 0.1- 0.0 200629 568 0.1+ 0.0 230628 V06 0.0 0.5+
200617 F51 0.1- 0.0 200629 568 0.1+ 0.0 230628 V06 0.4+ 0.1+
200617 F51 0.2+ 0.2- 200629 568 0.1+ 0.0 230628 V06 0.2+ 0.3-
200617 F51 0.3+ 0.1+ 200717 474 0.1+ 0.2- 230629 V06 0.5- 0.7+
200617 F51 0.1+ 0.0 200717 474 0.0 0.2+ 230629 V06 0.1+ 0.1-
200623 F51 0.1+ 0.1+ 200717 474 0.2- 0.1+ 230629 V06 0.0 0.3-
Ephemeris:
2020 MR3 a,e,i = 0.82, 0.61, 8 q = 0.3225
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 31 21 50 12.2 -13 15 11 0.6198 1.3081 103.8 48.8 24.1
...
2023 06 15 22 01 16.3 -09 38 33 0.4650 1.2794 114.3 46.3 23.4
...
2023 06 23 22 03 42.1 -07 10 18 0.3824 1.2543 120.5 44.3 22.9
...
2023 06 29 22 03 04.4 -04 50 00 0.3216 1.2308 125.3 42.4 22.4
2023 06 30 22 02 41.9 -04 22 59 0.3115 1.2265 126.2 42.0 22.3
2023 07 01 22 02 14.0 -03 54 41 0.3016 1.2221 127.0 41.6 22.2
...
2023 07 07 21 57 03.2 -00 28 52 0.2428 1.1932 132.1 39.2 21.6
...
2023 07 15 21 39 27.4 +06 55 43 0.1689 1.1480 138.2 36.2 20.7
...
2023 07 30 18 18 19.3 +46 40 22 0.07762 1.0416 107.8 68.2 19.7
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M176
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