MPEC 2023-X04 : 2018 XP3
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M.P.E.C. 2023-X04 Issued 2023 December 2, 14:11 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
2018 XP3
Revision to MPEC 2018-X108
Additional Observations:
K18X03P ZC2010 05 02.24414314 20 37.38 +55 30 57.9 WEX004I41
K18X03P ZC2010 05 02.28842614 20 22.22 +55 31 13.4 WEX004I41
K18X03P ZC2010 05 02.41856714 19 37.56 +55 31 47.4 WEX004I41
K18X03P ZC2010 05 04.16334414 10 05.42 +55 37 50.0 WEX004I41
K18X03P ZC2010 05 04.20750714 09 49.46 +55 38 00.7 WEX004I41
K18X03P ZC2010 05 05.27224414 03 34.82 +55 38 59.2 WEX004I41
K18X03P ZC2010 05 14.38200513 00 48.38 +53 52 59.5 WEX004I41
K18X03P ZC2010 05 14.42845813 00 26.37 +53 51 38.9 WEX004I41
K18X03P S2010 05 22.29656 11 56 26.14 +48 18 38.3 22 RLEX004C51
K18X03P s2010 05 22.29656 1 - 2782.7537 + 2712.9945 + 5701.8714 EX004C51
K18X03P S2010 05 22.36265 11 55 52.68 +48 14 35.0 LEX004C51
K18X03P s2010 05 22.36265 1 - 2818.0665 + 2726.9030 + 5677.9447 EX004C51
K18X03P S2010 05 22.42887 11 55 18.95 +48 10 29.1 LEX004C51
K18X03P s2010 05 22.42887 1 - 2792.1068 + 2708.0604 + 5699.8226 EX004C51
K18X03P S2010 05 22.49496 11 54 45.47 +48 06 23.1 LEX004C51
K18X03P s2010 05 22.49496 1 - 2828.1631 + 2722.2304 + 5675.4376 EX004C51
K18X03P S2010 05 22.62726 11 53 38.22 +47 58 05.8 LEX004C51
K18X03P s2010 05 22.62726 1 - 2838.0706 + 2717.9896 + 5672.3777 EX004C51
Observer details:
C51 WISE. Observer U. N. Known.
I41 Palomar Mountain--ZTF. Observer . Measurer S. Deen. 1.2-m Oschin
Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
100502 I41 0.44- 0.03- 100522 C51 0.22- 0.33- MPO467275 +0.07 days
Orbital elements:
2018 XP3 Earth MOID = 0.0375 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 160.22898 (2000.0) P Q
n 0.86013863 Peri. 245.72153 +0.70852096 +0.64827902
a 1.0950243 Node 72.56522 -0.49359483 +0.73761570
e 0.2001052 Incl. 16.99155 -0.50434333 +0.18883164
P 1.15 H 22.85 G 0.15 U 1
Residuals in seconds of arc
100502 I41 0.1- 0.6+ 181209 G96 0.2+ 0.4+ 181210 I52 0.2+ 0.3-
100502 I41 0.1- 0.1- 181209 G96 0.9- 0.2- 181210 734 0.4+ 0.4+
100502 I41 0.1- 0.1+ 181209 G96 0.1- 0.0 181210 734 1.2- 1.2-
100504 I41 0.8- 0.4- 181209 G96 0.2+ 1.3+ 181213 I52 0.1- 0.9+
100504 I41 0.1- 0.2- 181209 H01 0.1+ 0.0 181213 I52 0.2+ 1.7+
100505 I41 0.4+ 0.0 181209 H01 0.1- 0.2+ 181213 I52 0.2- 0.7-
100514 I41 0.2- 0.8- 181209 H01 0.0 0.1+ 181214 I52 0.0 0.1+
100514 I41 0.6+ 0.4- 181209 H01 0.0 0.2+ 181214 I52 0.1+ 0.2+
100522 C51 0.3+ 0.3- 181209 I52 0.1+ 0.6- 181214 I52 0.1- 0.4+
100522 C51 0.7+ 0.1- 181209 I52 0.2+ 0.2+ 181214 I52 0.2- 0.0
100522 C51 0.5- 0.3+ 181209 I52 0.1+ 0.1- 181220 I52 1.1- 1.2-
100522 C51 0.0 0.7+ 181209 I52 0.1+ 0.4+ 181220 I52 0.9+ 0.4-
100522 C51 0.8- 1.7+ 181210 L01 0.6- 0.1+ 181220 I52 0.1- 0.0
181109 F52 0.1- 0.2+ 181210 L01 0.3+ 0.0 181220 I52 0.7+ 0.3-
181109 F52 0.0 0.5- 181210 L01 0.4- 0.4- 190104 H21 0.3+ 0.5+
181109 F52 0.3+ 0.1- 181210 L01 0.1+ 0.0 190104 H21 0.3+ 0.1+
181113 F52 0.2- 0.1- 181210 I52 0.2+ 0.2+ 190104 H21 0.3+ 0.1+
181113 F52 0.2- 0.1- 181210 I52 0.2- 0.1+
181113 F52 0.1+ 0.1+ 181210 I52 0.1- 0.6-
Ephemeris:
2018 XP3 a,e,i = 1.10, 0.20, 17 q = 0.8759
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 02 12 26 18.2 +09 25 30 1.9283 1.3017 38.2 28.1 26.1
...
2023 11 17 13 10 39.3 +05 09 32 1.8513 1.2841 41.2 30.5 26.0
...
2023 11 25 13 34 35.6 +02 49 39 1.8078 1.2718 42.7 31.7 26.0
...
2023 12 01 13 52 46.3 +01 03 56 1.7743 1.2612 43.7 32.7 26.0
2023 12 02 13 55 49.5 +00 46 16 1.7686 1.2593 43.9 32.9 26.0
2023 12 03 13 58 53.1 +00 28 37 1.7630 1.2574 44.0 33.0 26.0
...
2023 12 09 14 17 25.1 -01 17 20 1.7287 1.2453 45.0 34.0 25.9
...
2023 12 17 14 42 39.0 -03 37 53 1.6826 1.2275 46.2 35.3 25.9
...
2024 01 01 15 32 01.0 -07 55 19 1.5960 1.1894 48.0 37.9 25.8
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