MPEC 2023-O36 : 2020 OP
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M.P.E.C. 2023-O36 Issued 2023 July 19, 14:07 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 OP
Revision to MPEC 2020-O35
Additional Observations:
K20O00P |C2023 07 15.17532 21 22 48.66 -43 28 32.1 19.9 VuEO036807
K20O00P |C2023 07 15.17840 21 22 45.05 -43 28 16.8 20.1 VuEO036807
K20O00P |C2023 07 15.18154 21 22 41.32 -43 28 01.1 19.4 VuEO036807
K20O00P |C2023 07 15.18453 21 22 37.83 -43 27 45.8 19.7 VuEO036807
K20O00P 2C2023 07 18.10573220 28 38.447-38 20 12.83 19.1 GVEO036J04
K20O00P 2C2023 07 18.10671620 28 37.403-38 20 05.45 19.5 GVEO036J04
K20O00P 1C2023 07 18.31492120 24 59.884-37 53 07.56 20.1 GXEO036W57
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
J04 ESA Optical Ground Station, Tenerife. Observers P. Ruiz, M. Micheli, F.
Ocana, L. Conversi. Measurers M. Micheli, F. Ocana, R. Kresken, M.
Busch. 1.0-m f/4.4 reflector + CCD.
W57 ESA TBT La Silla Observatory. Observers F. Ocana, M. Micheli, R.
Kresken, L. Conversi. Measurers F. Ocana, M. Micheli. 0.56-m f/2.52
astrograph prime-focus corrector + 4K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230715 807 0.06+ 0.14+ 230718 W57 0.09+ 0.13+ MPO750185 +0.04 days
Orbital elements:
2020 OP Earth MOID = 0.1252 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 318.53907 (2000.0) P Q
n 1.30933092 Peri. 191.70282 -0.63169263 -0.64845621
a 0.8275034 Node 299.14566 +0.74471054 -0.35538341
e 0.4102263 Incl. 29.10440 +0.21533841 -0.67320663
P 0.75 H 23.38 G 0.15 U 2
Residuals in seconds of arc
200718 F51 0.0 0.0 200719 474 0.1- 0.1+ 200723 033 0.9- 0.2+
200718 F51 0.1+ 0.0 200719 474 0.3- 0.1+ 200725 654 0.0 0.0
200718 F51 0.0 0.0 200719 474 0.3+ 0.0 200725 654 0.2+ 0.1+
200718 F51 0.0 0.1+ 200719 L01 0.0 0.1- 200725 654 0.1+ 0.1+
200718 474 0.2- 0.1- 200719 L01 0.1+ 0.1+ 200725 654 0.2+ 0.1+
200718 474 0.4- 0.1- 200719 L01 0.1- 0.4+ 200725 033 0.1- 0.3+
200718 474 0.1- 0.4- 200719 L01 0.1- 0.8+ 200725 033 0.1+ 0.1+
200718 474 0.0 0.2- 200719 L01 0.0 0.4+ 200725 033 0.2- 0.0
200719 I93 0.0 0.1+ 200722 033 0.2- 0.4- 230715 807 0.2- 0.0
200719 I93 0.1- 1.0+ 200722 033 0.2- 0.4- 230715 807 0.1+ 0.1+
200719 I93 0.0 0.2+ 200722 033 0.1- 0.3- 230715 807 0.1- 0.2+
200719 I52 0.2+ 0.2- 200723 474 0.2+ 0.3- 230715 807 0.3+ 0.7+
200719 I52 0.3+ 0.6- 200723 474 0.1+ 0.0 230718 J04 0.2- 0.3-
200719 I52 0.2+ 0.4- 200723 474 0.2+ 0.2+ 230718 J04 0.0 0.3-
200719 I52 0.1- 0.1- 200723 474 0.1+ 0.2+ 230718 W57 0.4+ 0.3-
200719 474 0.1+ 0.2- 200723 033 0.3+ 0.1+
Ephemeris:
2020 OP a,e,i = 0.83, 0.41, 29 q = 0.4880
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 06 19 01 49 27.2 -41 30 48 0.2767 1.0302 85.1 79.3 23.4
...
2023 07 04 00 20 14.6 -46 48 37 0.1788 1.0947 111.4 59.8 22.0
...
2023 07 12 22 23 24.3 -46 41 19 0.1386 1.1207 136.2 38.9 20.9
...
2023 07 18 20 30 30.7 -38 32 17 0.1267 1.1364 160.3 17.6 20.1
2023 07 19 20 13 31.6 -36 24 44 0.1269 1.1387 163.8 14.4 20.0
2023 07 20 19 57 35.6 -34 09 13 0.1277 1.1409 166.6 11.9 19.9
...
2023 07 26 18 45 17.0 -20 15 41 0.1458 1.1522 158.0 19.3 20.5
...
2023 08 03 17 55 17.9 -06 55 09 0.1940 1.1623 136.0 37.3 21.7
...
2023 08 18 17 22 45.2 +04 15 39 0.3115 1.1658 112.1 53.6 23.1
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O36
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