[Iaude] MPEC B09: 2020 KH42 [a=77.40,e=0.52,i=25.9,H=7.49]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Jan 16 13:22:38 EST 2024
M.P.E.C. 2024-B09 Issued 2024 January 16, 18:20 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
2020 KH42
Additional Observations:
K20K42H /C2018 06 18.20692218 59 24.85 -21 32 47.9 24.5 VWEB009W84
K20K42H /C2018 06 18.26053418 59 24.63 -21 32 48.0 WEB009W84
K20K42H /C2018 06 18.34055018 59 24.30 -21 32 48.0 WEB009W84
K20K42H 6C2021 07 06.47706019 10 13.46 -19 46 30.8 WEB009T14
K20K42H 6C2021 07 06.54310519 10 13.18 -19 46 31.0 24.2 wWEB009T14
K20K42H 6C2021 07 08.35226419 10 05.23 -19 46 35.7 24.2 wWEB009T14
K20K42H 6C2021 07 08.43802919 10 04.83 -19 46 35.7 WEB009T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer J. J. Kavelaars.
Measurer K. Ly.
W84 Cerro Tololo-DECam. Observers D. Gerdes, L. Markwardt. Measurer K. Ly.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180618 W84 0.9+ 0.1+ 210708 T14 0.2+ 0.2+ MPO725004 -37.7 days
Orbital elements:
2020 KH42
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Alexandersen
M 337.17048 (2000.0) P Q
n 0.00144745 Peri. 79.29369 +0.90303763 -0.02500870
a 77.3988389 Node 281.08908 -0.18210198 +0.88187344
e 0.5187607 Incl. 25.91210 +0.38905258 +0.47082247
P 681 H 7.49 G 0.15 U 6
Residuals in seconds of arc
180618 W84 0.0 0.0 201224 C54 0.3- 1.0- 201225 C54 0.7- 0.7-
180618 W84 0.1+ 0.1- 201224 C54 0.5+ 0.7- 201225 C54 0.2+ 1.6-
180618 W84 0.2+ 0.0 201224 C54 0.5- 1.1- 201225 C54 0.0 0.6+
200531 266 0.1- 0.0 201224 C54 0.0 1.5- 201225 C54 1.6+ 1.3+
200531 266 0.1- 0.0 201224 C54 0.6- 0.0 201225 C54 2.9+ 0.8+
200531 266 0.1- 0.0 201224 C54 0.8+ 0.3+ 201225 C54 0.5- 0.3+
200621 266 0.1- 0.0 201224 C54 0.3+ 0.4+ 201225 C54 0.2+ 1.0-
200621 266 0.1- 0.0 201224 C54 0.3+ 0.0 201225 C54 0.8- 0.0
200621 266 0.1- 0.0 201224 C54 0.7- 0.2- 201225 C54 0.7- 0.4-
200812 266 0.0 0.0 201224 C54 1.1+ 0.2- 201225 C54 0.8+ 0.4-
200812 266 0.0 0.0 201224 C54 1.1- 1.1- 201225 C54 0.1+ 1.1+
200812 266 0.0 0.0 201224 C54 1.4- 0.8- 201225 C54 1.0- 1.0-
200814 266 0.0 0.0 201224 C54 2.3- 0.7+ 201225 C54 2.4+ 0.3-
200814 266 0.0 0.0 201224 C54 0.0 0.4+ 201225 C54 0.2+ 0.1+
200814 266 0.0 0.0 201224 C54 0.2- 0.4+ 201225 C54 0.9+ 1.0-
201101 250 0.1+ 0.1+ 201224 C54 0.3+ 1.6+ 201225 C54 0.8- 0.2-
201101 250 0.1+ 0.1+ 201225 C54 0.8+ 1.0+ 201225 C54 1.7- 0.5+
201101 250 0.1+ 0.1+ 201225 C54 1.1+ 1.6- 201225 C54 0.9- 1.0-
201101 250 0.0 0.1+ 201225 C54 1.8+ 0.9+ 201225 C54 0.9- 0.7+
201101 250 0.1+ 0.1+ 201225 C54 0.2+ 0.8- 201225 C54 0.2+ 1.3-
201224 C54 1.3+ 0.8+ 201225 C54 0.9- 0.1- 210706 T14 0.2- 0.1+
201224 C54 0.5+ 1.3+ 201225 C54 0.2+ 0.5+ 210706 T14 0.0 0.0
201224 C54 0.2- 0.8+ 201225 C54 0.2- 0.5+ 210708 T14 0.4+ 0.1-
201224 C54 0.3- 0.7+ 201225 C54 1.3- 2.1+ 210708 T14 0.2+ 0.1+
201224 C54 0.2+ 0.5+ 201225 C54 0.5- 1.7+
201224 C54 0.4- 0.9- 201225 C54 0.3- 1.2-
Ephemeris:
2020 KH42 a,e,i = 77.40, 0.52, 26 q = 37.2474
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 17 19 18 01.8 -18 26 42 49.1239 48.2290 24.3 0.5 24.5
...
2024 01 01 19 19 25.1 -18 23 08 49.1806 48.2122 9.9 0.2 24.4
...
2024 01 09 19 20 11.1 -18 21 02 49.1843 48.2032 3.9 0.1 24.4
...
2024 01 15 19 20 45.6 -18 19 24 49.1744 48.1965 6.1 0.1 24.4
2024 01 16 19 20 51.4 -18 19 07 49.1718 48.1954 6.9 0.1 24.4
2024 01 17 19 20 57.1 -18 18 50 49.1688 48.1943 7.8 0.2 24.4
...
2024 01 23 19 21 31.2 -18 17 08 49.1448 48.1876 13.3 0.3 24.4
...
2024 01 31 19 22 15.5 -18 14 49 49.0967 48.1786 21.1 0.4 24.4
...
2024 02 15 19 23 32.6 -18 10 24 48.9595 48.1619 35.8 0.7 24.5
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-B09
More information about the Iaude
mailing list