MPEC 2023-P85 : 2020 XP
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M.P.E.C. 2023-P85 Issued 2023 August 15, 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 XP
Revision to MPEC 2020-X34
Additional Observations:
K20X00P 0C2023 06 23.56259600 13 37.875+06 32 59.32 23.69GVEP085T14
K20X00P 0C2023 06 23.56588800 13 38.683+06 33 05.27 23.98GVEP085T14
K20X00P 0C2023 06 23.56917900 13 39.481+06 33 11.28 23.74GVEP085T14
K20X00P 0C2023 08 13.60402404 33 19.625+26 49 57.57 23.22GVEP085T14
K20X00P 0C2023 08 13.60662204 33 20.458+26 49 58.76 23.24GVEP085T14
K20X00P 0C2023 08 13.60921904 33 21.287+26 49 59.93 23.34GVEP085T14
K20X00P 0C2023 08 13.61181604 33 22.114+26 50 01.12 23.37GVEP085T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer L. Wells. Measurer D.
J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230623 T14 0.13- 0.05- 230813 T14 0.10- 0.01- MPO750185 -0.14 days
Orbital elements:
2020 XP PHA, Earth MOID = 0.0452 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 5.32008 (2000.0) P Q
n 0.34784718 Peri. 125.52809 +0.93979119 -0.33638235
a 2.0023672 Node 254.19547 +0.28973738 +0.87786196
e 0.4989009 Incl. 3.59469 +0.18123126 +0.34088898
P 2.83 H 21.88 G 0.15 U 0
Residuals in seconds of arc
201117 G96 0.2- 0.1- 201207 H36 0.1+ 0.9+ 210102 V06 0.0 0.2+
201117 G96 0.2- 0.1- 201207 H36 0.1+ 0.2+ 210102 V06 0.1+ 0.1-
201205 F52 0.1- 0.0 201207 H36 0.4+ 0.7+ 210103 291 0.1+ 0.0
201205 F52 0.2- 0.1+ 201207 H36 0.2+ 0.0 210103 291 0.2+ 0.1+
201205 F52 0.3+ 0.2+ 201214 807 0.2- 0.4- 210103 291 0.1+ 0.0
201205 F52 0.2+ 0.1+ 201214 807 0.2- 0.1- 210103 V06 0.3- 0.5-
201206 I52 0.5- 0.1- 201214 807 0.4- 0.1+ 210103 V06 0.3+ 0.5-
201206 I52 0.0 0.1+ 201214 G96 0.1- 0.1+ 210103 V06 0.3+ 0.3+
201206 I52 0.2- 0.3- 201214 G96 0.2- 0.2+ 210104 695 0.0 0.3+
201206 I52 0.1+ 0.1- 201214 G96 0.3+ 0.3- 210104 695 0.1- 0.5+
201206 691 0.2+ 0.2+ 201214 G96 0.1+ 0.0 210104 695 0.1- 0.4+
201206 691 0.0 0.2+ 201214 I52 0.3- 0.3+ 210112 291 0.0 0.6+
201206 H36 0.9+ 0.1+ 201214 I52 0.1+ 0.0 210112 291 0.1+ 0.1-
201206 691 0.3+ 0.5+ 201214 I52 0.1+ 0.1- 210112 291 0.4+ 0.1-
201206 H36 0.5+ 0.2+ 201214 I52 0.2- 0.1+ 210113 291 0.1- 0.1+
201206 H36 0.5+ 0.6+ 201216 I52 (2.6- 1.1-) 210113 291 0.2- 0.2+
201206 G96 0.2+ 0.3+ 201216 I52 0.6+ 0.0 210113 291 0.1- 0.0
201206 G96 0.1- 0.1+ 201216 I52 0.3- 0.1+ 210114 291 0.0 0.1+
201206 G96 0.0 0.3+ 201216 I52 0.1- 0.5- 210114 291 0.4+ 0.1+
201206 G96 0.1+ 0.1- 201217 I52 0.3- 0.4- 210118 291 0.3+ 0.3+
201207 858 0.0 0.2+ 201217 I52 0.5+ 1.1+ 210118 291 0.1+ 0.1+
201207 I52 0.0 0.2+ 201217 I52 0.3- 0.1+ 210118 291 0.2+ 0.8-
201207 I52 0.1+ 0.1- 201219 I52 0.1- 0.0 230623 T14 0.0 0.0
201207 I52 0.3- 0.0 201219 I52 0.2- 0.2+ 230623 T14 0.1+ 0.0
201207 I52 0.1- 0.0 201219 I52 1.7- 0.3- 230623 T14 0.0 0.0
201207 858 0.1+ 0.3+ 201219 I52 (3.3- 0.2-) 230813 T14 0.1- 0.0
201207 807 0.1+ 0.1- 201222 691 0.0 0.0 230813 T14 0.0 0.0
201207 858 0.0 0.4+ 201222 691 0.2- 0.3- 230813 T14 0.0 0.0
201207 807 0.2+ 0.2- 201222 691 0.2- 0.3- 230813 T14 0.0 0.0
201207 807 0.1+ 0.1- 210102 V06 0.1- 0.1+
Ephemeris:
2020 XP a,e,i = 2.00, 0.50, 4 q = 1.0034
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 07 16 01 57 52.4 +17 56 02 0.7163 1.1296 79.3 62.2 23.6
...
2023 07 31 03 18 34.6 +23 54 18 0.7017 1.0610 73.8 66.8 23.6
...
2023 08 08 04 02 47.5 +25 56 29 0.7109 1.0340 71.2 68.2 23.6
...
2023 08 14 04 35 26.5 +26 52 45 0.7239 1.0190 69.6 68.7 23.6
2023 08 15 04 40 47.7 +26 59 14 0.7265 1.0170 69.3 68.7 23.6
2023 08 16 04 46 07.1 +27 04 55 0.7292 1.0151 69.1 68.8 23.6
...
2023 08 22 05 17 18.3 +27 22 56 0.7475 1.0067 67.9 68.6 23.7
...
2023 08 30 05 56 29.0 +27 08 42 0.7759 1.0035 66.9 67.8 23.7
...
2023 09 14 07 01 23.6 +25 14 32 0.8335 1.0225 66.8 64.7 23.8
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