MPEC 2023-H231 : 2019 HF3 = 2020 LC1
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M.P.E.C. 2023-H231 Issued 2023 April 28, 11:46 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
2019 HF3 = 2020 LC1
Revision to MPEC 2019-H79
Orbital elements:
2019 HF3 = 2020 LC1 Earth MOID = 0.1187 AU
Id. P. VanWylen
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 182.15626 (2000.0) P Q
n 1.04630424 Peri. 93.48151 +0.29262994 -0.93236325
a 0.9609425 Node 335.90533 +0.53036239 +0.34298397
e 0.3315521 Incl. 31.33241 +0.79566541 +0.11428373
P 0.94 H 19.95 G 0.15 U 2
Residuals in seconds of arc
180325 C51 0.3- 0.1- 190418 C51 0.2- 0.3- 200621 474 0.2+ 0.1-
180325 C51 0.2- 0.6- 190418 C51 1.6+ 0.0 200621 474 0.0 0.3-
180325 C51 0.0 0.2- 190418 C51 1.3+ 0.7+ 200713 C51 0.0 0.0
180325 C51 0.2+ 1.0+ 190418 C51 0.9+ 1.4- 200713 C51 0.6- 0.4-
180325 C51 0.1- 0.6+ 190418 C51 2.1+ 0.1- 200713 C51 0.7+ 0.5-
180325 C51 (1.7+ 0.5+) 190418 C51 1.7- 0.3- 200713 C51 0.3+ 0.2-
180325 C51 0.2+ 0.1+ 190419 C51 0.2+ 0.2+ 200713 C51 0.3+ 0.6-
180325 C51 0.3+ 0.4+ 190419 C51 0.1+ 0.3+ 200713 C51 0.0 0.2+
180325 C51 0.4+ 0.3- 190419 C51 0.3- 1.8+ 200713 C51 0.4+ 0.3-
180325 C51 0.4+ 1.0- 190419 C51 0.3+ 0.5- 200713 C51 0.5+ 0.2-
180326 C51 0.1+ 0.5- 190419 C51 0.6+ 0.1+ 200713 C51 0.2- 0.5-
180326 C51 1.2- 0.1- 190419 C51 0.9+ 0.1- 200713 C51 (0.8+ 0.0 )
180326 C51 0.1+ 0.1+ 190427 807 0.2+ 0.4- 200713 C51 0.0 0.2-
180326 C51 0.4+ 0.0 190427 807 0.6+ 0.3+ 200713 C51 0.8- 0.3+
180326 C51 0.3- 0.0 190427 807 0.2- 0.3+ 200713 C51 0.4+ 0.3-
180326 C51 0.5+ 0.3+ 190427 807 0.1- 0.1- 200713 C51 0.0 0.3+
180326 C51 0.5+ 0.1- 190427 807 0.3- 0.7+ 200713 C51 0.3- 0.7-
180326 C51 0.5+ 0.1- 190427 807 0.1- 0.1+ 200714 C51 0.5+ 0.2+
180326 C51 0.4- 0.4- 190501 807 0.7- 0.0 200714 C51 0.6- 0.4+
180326 C51 0.0 0.0 190501 807 0.4- 0.0 200714 C51 0.1- 0.2+
180326 C51 0.2+ 0.5+ 190501 807 0.2+ 0.7- 200714 C51 0.3- 0.1-
180326 C51 0.2- 0.8+ 190502 474 0.8- 0.4- 200714 C51 0.1+ 0.2+
180327 C51 0.8- 0.1- 190502 474 0.1+ 0.2- 200714 C51 1.5- 1.9+
180327 C51 0.4+ 0.9- 190502 474 0.1- 0.2+ 200714 C51 0.2- 0.7+
180327 C51 0.1- 0.2- 190502 474 0.3- 0.0 200714 C51 0.2- 0.5+
180327 C51 0.6- 0.1- 190720 C51 0.3+ 0.2- 200714 C51 0.1+ 0.2+
180610 C51 1.6- 0.2- 190720 C51 0.3- 0.1+ 200714 C51 0.0 0.2+
180610 C51 0.6- 0.0 190720 C51 0.3- 0.1- 200714 C51 0.9- 0.5+
180610 C51 1.2- 0.7- 190720 C51 0.0 0.5+ 200714 C51 0.2- 0.1-
180610 C51 0.1- 1.6- 190720 C51 (2.0- 0.4+) 200714 C51 0.3+ 0.0
180610 C51 0.6+ 1.0+ 190720 C51 0.5+ 0.3+ 200715 C51 0.5- 0.6-
180611 C51 0.3- 0.3- 190721 C51 (1.1- 0.3-) 200715 C51 0.1+ 0.1-
180611 C51 0.1- 0.5+ 190721 C51 0.1+ 0.2+ 200715 C51 1.1+ 0.5+
180612 C51 0.4- 0.2- 190721 C51 (0.7- 0.6+) 200715 C51 (1.4+ 1.9+)
180612 C51 0.3+ 0.2+ 190721 C51 0.1- 0.1+ 200715 C51 0.1+ 0.2+
180612 C51 1.1- 0.0 200601 C51 0.7+ 0.9- 200715 C51 0.6- 1.6-
180612 C51 0.1- 1.3+ 200601 C51 0.8- 1.1+ 200715 C51 0.1- 0.4+
180612 C51 0.0 0.1- 200601 C51 0.9- 2.7+ 200715 C51 0.2- 0.2+
180622 C51 1.6- 0.6- 200602 C51 0.3+ 1.6- 200715 C51 0.6- 0.2-
190416 C51 0.4- 1.2+ 200602 C51 1.8- 1.1+ 200715 C51 0.4- 0.1-
190416 C51 (2.5- 0.1+) 200602 C51 0.3- 1.3+ 200715 C51 0.3- 0.3+
190416 C51 0.1- 0.1- 200602 C51 1.2+ 0.8+ 200715 C51 0.3- 0.8-
190416 C51 (1.0- 3.2+) 200602 C51 0.0 0.5+ 200716 C51 0.5- 0.4+
190417 C51 0.8- 0.1+ 200602 C51 0.7- 0.1- 200716 C51 0.3- 0.3-
190417 C51 0.8+ 0.1+ 200602 C51 0.4+ 0.7+ 200716 C51 0.1- 0.2-
190417 C51 0.4+ 0.4- 200602 C51 0.3- 0.3+ 200716 C51 0.2+ 0.0
190417 C51 0.1+ 1.1+ 200613 C51 0.3- 0.2- 200716 C51 0.2- 0.0
190417 C51 1.2+ 0.4+ 200613 C51 0.1+ 0.6+ 200716 C51 0.4- 0.5+
190417 C51 0.8+ 0.5- 200613 C51 0.5+ 0.2- 200717 C51 0.4+ 0.6+
190417 C51 0.4+ 0.1+ 200614 C51 0.1+ 0.7- 200717 474 0.0 0.4-
190417 C51 0.2+ 0.1- 200614 C51 0.1- 1.0+ 200717 474 0.2- 0.0
190418 C51 (0.5+ 2.3+) 200621 474 0.2- 0.0 200717 474 0.3- 0.4-
190418 C51 1.0+ 0.1- 200621 474 0.0 0.1-
Ephemeris:
2019 HF3 a,e,i = 0.96, 0.33, 31 q = 0.6423
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 29 21 52 18.2 -37 26 31 1.5271 1.2448 54.3 40.6 22.9
...
2023 04 13 22 41 49.6 -31 50 37 1.4373 1.2075 56.0 43.5 22.8
...
2023 04 21 23 06 41.5 -28 18 48 1.3857 1.1822 56.6 45.2 22.7
...
2023 04 27 23 24 50.0 -25 24 23 1.3457 1.1607 57.0 46.6 22.7
2023 04 28 23 27 49.5 -24 53 58 1.3390 1.1569 57.0 46.9 22.7
2023 04 29 23 30 48.6 -24 23 08 1.3322 1.1531 57.1 47.1 22.7
...
2023 05 05 23 48 36.6 -21 09 32 1.2915 1.1288 57.2 48.7 22.6
...
2023 05 13 00 12 16.8 -16 26 50 1.2374 1.0934 57.1 50.9 22.5
...
2023 05 28 00 58 01.4 -06 12 29 1.1412 1.0178 56.0 55.6 22.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H231
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