MPEC 2023-B51 : S/2018 J 4
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M.P.E.C. 2023-B51 Issued 2023 January 20, 21:06 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
S/2018 J 4
Satellite of Jupiter
Observations:
SK18J040*.C2018 05 11.15100 15 05 25.076-16 30 47.20 24.2 rUEB051807
SK18J040 .C2018 05 11.18827 15 05 23.816-16 30 39.86 24.1 rUEB051807
SK18J040 .C2018 05 12.14792 15 04 52.842-16 27 39.58 24.0 rUEB051807
SK18J040 .C2018 05 12.16767 15 04 52.216-16 27 35.49 24.3 rUEB051807
SK18J040 C2018 05 19.26240 15 01 04.523-16 05 12.44 24.0 rUEB051304
SK18J040 C2018 05 19.29410 15 01 03.515-16 05 06.51 24.0 rUEB051304
SK18J040 C2022 10 15.14380 00 04 58.313-02 31 12.74 23.7 rVEB051304
SK18J040 C2022 10 15.15437 00 04 58.072-02 31 14.25 23.6 rVEB051304
SK18J040 C2022 10 16.11353 00 04 35.219-02 33 26.79 23.5 rVEB051304
SK18J040 C2022 10 16.12417 00 04 34.967-02 33 28.05 23.6 rVEB051304
SK18J040 C2022 10 21.20437 00 02 40.882-02 43 56.27 22.8 rVEB051304
SK18J040 C2022 10 21.20916 00 02 40.783-02 43 56.46 23.0 rVEB051304
SK18J040 4C2022 11 15.10635 23 57 04.745-03 01 51.07 23.5 rVEB051G37
SK18J040 4C2022 11 15.11362 23 57 04.696-03 01 50.93 23.3 rVEB051G37
SK18J040 4C2022 11 15.18159 23 57 04.315-03 01 49.16 23.0 rVEB051G37
SK18J040 C2022 11 17.04174 23 56 56.425-03 00 45.99 23.4 rVEB051304
SK18J040 C2022 11 18.03226 23 56 53.250-03 00 05.64 23.4 rVEB051304
SK18J040 C2022 11 20.03620 23 56 49.045-02 58 27.26 23.5 rVEB051304
SK18J040 C2022 11 28.08252 23 57 01.937-02 48 09.19 23.2 rVEB051304
SK18J040 C2022 11 29.04072 23 57 06.684-02 46 32.64 23.4 rVEB051304
Observer details:
304 Las Campanas Observatory. Observer S. S. Sheppard. 6.5-m Magellan-Baade
telescope + CCD.
807 Cerro Tololo Observatory, La Serena. Observer S. S. Sheppard. 4.0-m CTIO
reflector + CCD.
G37 Lowell Discovery Telescope. Observers C. Trujillo, J. Despain. 4-m
Lowell Discovery Telescope + CCD.
Orbital elements:
S/2018 J 4
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 84.59470 (2000.0) P Q
n 0.83109942 Peri. 292.97870 +0.56054572 +0.77805325
a 0.1103241 Node 20.74832 -0.05337364 +0.37567696
e 0.0573296 Incl. 53.17762 -0.82640169 +0.50348780
P 1.19 H 16.7 P/d 433.16
From 20 observations 2018 May 11-2022 Nov. 29, mean residual 0".16
Residuals in seconds of arc
180511 807 0.2+ 0.2- 221015 304 0.2+ 0.0 221115 G37 0.0 0.1-
180511 807 0.2- 0.1+ 221016 304 0.2- 0.1- 221117 304 0.0 0.0
180512 807 0.0 0.4- 221016 304 0.0 0.0 221118 304 0.1- 0.0
180512 807 0.4+ 0.0 221021 304 0.0 0.1- 221120 304 0.2+ 0.0
180519 304 0.2- 0.3+ 221021 304 0.1+ 0.2+ 221128 304 0.0 0.2+
180519 304 0.1- 0.2+ 221115 G37 0.1+ 0.0 221129 304 0.1- 0.2-
221015 304 0.1- 0.0 221115 G37 0.0 0.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-B51
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