[Iaude] MPEC X15: 2018 PX7 [a=2.12,e=0.45,i=7.3,H=22.21]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 3 09:13:04 EST 2023
M.P.E.C. 2023-X15 Issued 2023 December 3, 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 PX7
Revision to MPEC 2018-P23
Additional Observations:
K18P07X &C2021 04 24.04313414 08 10.65 -28 59 41.1 WEX015W84
K18P07X &C2021 04 24.05424914 08 09.64 -28 59 44.2 WEX015W84
K18P07X &C2021 06 01.12215913 12 53.83 -27 52 42.9 WEX015W84
K18P07X &C2021 06 01.16783813 12 51.47 -27 52 29.4 WEX015W84
K18P07X &C2021 07 04.96045913 24 10.19 -26 39 13.4 WEX015W84
K18P07X &C2021 07 04.96252913 24 10.31 -26 39 12.8 WEX015W84
K18P07X &C2021 07 04.96460313 24 10.51 -26 39 13.5 WEX015W84
K18P07X !C2021 07 05.03533 13 24 16.12 -26 39 18.8 23.1 r EX015W84
K18P07X !C2021 07 05.05760 13 24 17.89 -26 39 20.2 EX015W84
K18P07X !C2021 07 05.06257 13 24 18.28 -26 39 20.6 EX015W84
K18P07X !C2021 07 05.06504 13 24 18.47 -26 39 20.7 EX015W84
K18P07X !C2021 07 05.07001 13 24 18.87 -26 39 21.2 EX015W84
K18P07X !C2021 07 05.07248 13 24 19.07 -26 39 21.2 EX015W84
K18P07X !C2021 07 05.07744 13 24 19.47 -26 39 21.5 EX015W84
K18P07X !C2021 07 05.07991 13 24 19.68 -26 39 21.6 EX015W84
Observer details:
W84 Cerro Tololo-DECam. Observers A. Zenteno. Measurers S. Deen, F.
Valdes. 4.0-m reflector + CCD, 4.0-m CTIO reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210424 W84 27.0+ 13.3+ 210705 W84 16.7+ 17.8+ MPO473497 +0.05 days
Orbital elements:
2018 PX7 Earth MOID = 0.1561 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 237.11405 (2000.0) P Q
n 0.31828297 Peri. 329.77563 +0.61180727 +0.78954700
a 2.1245182 Node 337.83280 -0.69785683 +0.51017351
e 0.4549867 Incl. 7.31416 -0.37240798 +0.34108432
P 3.10 H 22.21 G 0.15 U 1
Residuals in seconds of arc
180805 F51 0.0 0.2+ 180819 H21 0.0 0.1- 180905 H21 0.2+ 0.3+
180805 F51 0.0 0.1- 180819 H21 0.1+ 0.0 180906 703 0.3+ 0.5+
180805 F51 0.1+ 0.0 180819 F51 0.0 0.2+ 180906 703 1.2+ 0.5+
180805 F51 0.0 0.1- 180819 F51 0.1- 0.1- 180906 703 0.1- 0.4+
180806 F51 0.0 0.0 180819 F51 0.0 0.1+ 180911 G96 0.0 0.1+
180806 F51 0.1- 0.1- 180822 H21 0.1- 0.0 180911 G96 0.1- 0.2+
180806 F51 0.0 0.1- 180822 H21 0.1+ 0.1+ 180911 G96 0.2- 0.3-
180806 F51 0.0 0.0 180822 H21 0.2+ 0.1- 180911 G96 0.2+ 0.3+
180806 L01 0.8+ 0.2+ 180823 H21 0.2+ 0.4- 180911 I52 0.2+ 0.9+
180807 L01 0.3- 0.1- 180823 H21 0.1+ 0.3- 180911 I52 0.2+ 0.0
180807 L01 0.1- 0.2- 180823 H21 0.2+ 0.5- 180911 I52 0.3+ 0.4+
180807 711 0.3+ 0.5+ 180831 H21 0.3- 0.3+ 180911 I52 0.2+ 0.1+
180807 711 0.1+ 0.1- 180831 H21 0.5- 0.4+ 180921 I52 0.5- 0.1-
180807 711 0.3- 0.3- 180831 H21 0.3- 0.5+ 180921 I52 0.0 0.7-
180807 691 0.2+ 0.2+ 180901 H21 0.2- 0.2- 180921 I52 (0.4- 1.1-)
180807 691 0.1+ 0.1+ 180901 H21 0.2- 0.0 180928 691 0.2- 0.0
180807 691 0.3- 0.3+ 180901 H21 0.2- 0.1+ 180928 691 0.2+ 0.3+
180811 F51 0.0 0.0 180901 291 0.1+ 0.3- 180928 691 0.0 0.4+
180811 F51 0.0 0.0 180901 291 0.2- 0.1- 210424 W84 0.1- 0.4+
180811 F51 0.0 0.0 180901 291 0.1- 0.3- 210424 W84 0.1+ 0.0
180812 H21 0.1- 0.0 180904 204 0.1+ 0.2- 210601 W84 0.1+ 0.6+
180812 H21 0.4- 0.1- 180904 204 0.2+ 0.1- 210601 W84 0.0 0.1+
180812 H21 0.1- 0.4+ 180904 204 0.1- 0.0 210704 W84 0.4+ 0.2-
180813 H21 0.2- 0.0 180904 204 0.0 0.1- 210704 W84 0.2- 0.6+
180813 H21 0.2- 0.1- 180904 I52 0.0 0.4- 210704 W84 0.2+ 0.1+
180813 H21 0.1- 0.0 180904 I52 0.2- 0.2- 210705 W84 0.4+ 0.1+
180814 691 0.6- 0.7+ 180904 I52 0.2+ 0.3- 210705 W84 0.2+ 0.1+
180814 691 0.2+ 0.1+ 180904 I52 0.1+ 0.4- 210705 W84 0.1+ 0.0
180817 F51 0.0 0.1- 180904 H21 0.1- 0.0 210705 W84 0.0 0.1+
180817 F51 0.1- 0.0 180904 H21 0.0 0.1- 210705 W84 0.0 0.1-
180817 F51 0.1- 0.1+ 180904 H21 0.0 0.0 210705 W84 0.0 0.0
180817 F51 0.1+ 0.1- 180905 H21 0.4+ 0.1+ 210705 W84 0.0 0.0
180819 H21 0.2+ 0.2+ 180905 H21 0.3+ 0.2+ 210705 W84 0.2+ 0.1+
Ephemeris:
2018 PX7 a,e,i = 2.12, 0.45, 7 q = 1.1579
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 03 11 44 41.0 +01 16 13 3.3361 2.7113 44.0 14.7 27.8
...
2023 11 18 12 03 51.0 -01 08 15 3.1223 2.6594 53.7 17.4 27.7
...
2023 11 26 12 13 46.2 -02 24 34 2.9987 2.6304 59.0 18.8 27.7
...
2023 12 02 12 21 02.4 -03 21 14 2.9023 2.6079 63.0 19.7 27.6
2023 12 03 12 22 14.1 -03 30 38 2.8859 2.6041 63.7 19.8 27.6
2023 12 04 12 23 25.5 -03 40 00 2.8695 2.6003 64.4 20.0 27.6
...
2023 12 10 12 30 27.5 -04 35 50 2.7694 2.5771 68.5 20.8 27.5
...
2023 12 18 12 39 29.7 -05 48 56 2.6323 2.5453 74.1 21.8 27.4
...
2024 01 02 12 55 05.8 -08 00 46 2.3682 2.4831 85.0 23.2 27.2
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-X15
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