[Iaude] MPEC J19: 2019 HN [a=1.86,e=0.64,i=34.8,H=20.51]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu May 2 10:12:46 EDT 2024
M.P.E.C. 2024-J19 Issued 2024 May 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2019 HN
Revision to MPEC 2019-H54
Additional Observations:
K19H00N KC2024 04 10.18998 08 43 09.37 -20 25 26.5 VEJ019291
K19H00N KC2024 04 10.19969 08 43 09.23 -20 25 05.2 VEJ019291
K19H00N 0C2024 04 17.32150108 41 54.050-16 00 55.27 22.92GVEJ019T12
K19H00N KC2024 05 02.13324 08 47 37.76 -06 53 56.4 22.6 RVEJ019291
K19H00N KC2024 05 02.17251 08 47 39.39 -06 52 31.3 22.9 RVEJ019291
Observer details:
291 LPL/Spacewatch II. Observers R. A. Mastaler, T. H. Bressi. 1.8-m f/2.7
reflector + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
240410 291 0.2- 0.3- 240502 291 0.2- 0.4- E2024-A65 +0.04 days
Orbital elements:
2019 HN PHA, Earth MOID = 0.0092 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 314.30794 (2000.0) P Q
n 0.38741870 Peri. 81.69735 +0.24584288 +0.93315616
a 1.8635841 Node 207.39250 -0.94761141 +0.28830305
e 0.6356398 Incl. 34.75226 +0.20394583 +0.21471125
P 2.54 H 20.51 G 0.15 U 2
Residuals in seconds of arc
190423 F51 0.1- 0.1- 190427 291 0.7- 0.7+ 190509 691 0.2+ 0.2-
190423 F51 0.1- 0.1- 190428 I52 0.6+ 0.2- 190514 695 0.0 0.0
190423 F51 0.1- 0.1- 190428 I52 0.1- 0.3- 190514 695 0.0 0.3+
190423 807 0.1+ 0.2- 190428 I52 0.2- 0.2- 190514 291 0.1+ 0.0
190423 807 0.2+ 0.3- 190428 I52 0.1- 0.4- 190514 695 0.3- 0.4+
190423 807 0.0 0.1+ 190429 691 0.1- 0.2- 190514 291 0.0 0.2-
190425 H36 0.6+ 0.3- 190429 691 0.5- 0.3+ 190514 291 0.0 0.2-
190425 H36 0.3+ 0.4+ 190429 691 0.3- 0.2- 190515 291 1.1+ 0.4+
190425 H36 0.0 0.2+ 190501 691 0.5- 0.1+ 190515 291 0.3+ 2.4-
190425 K87 0.8+ 0.9- 190501 691 0.4- 0.2- 190524 291 0.2- 0.0
190425 K87 0.6+ 0.7- 190504 I52 0.0 0.6- 190524 291 0.0 0.2+
190425 K87 0.6+ 0.6- 190504 I52 0.2- 0.9- 190918 695 0.0 0.1+
190425 K61 0.7+ 1.1+ 190504 I52 0.0 0.4- 190918 695 0.2- 0.2-
190425 K61 0.4+ 1.1+ 190505 691 0.6+ 0.8- 190918 695 0.0 0.1-
190425 K61 0.3+ 0.9+ 190505 691 0.2- 0.1+ 240410 291 0.7- 0.2-
190426 291 0.2- 0.2+ 190505 691 0.0 0.0 240410 291 0.8+ 0.4-
190426 291 0.4- 0.2- 190508 691 0.3- 0.0 240417 T12 0.3- 0.2-
190426 291 0.2- 0.4- 190508 691 0.2+ 0.3+ 240502 291 0.4- 0.3+
190427 291 0.2+ 0.1- 190509 691 0.1- 0.3- 240502 291 0.1- 0.0
190427 291 0.1+ 0.2- 190509 691 0.4+ 0.6+
Ephemeris:
2019 HN a,e,i = 1.86, 0.64, 35 q = 0.6790
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 02 08 48 07.2 -25 17 53 0.9382 1.6758 119.7 31.2 22.8
...
2024 04 17 08 41 54.3 -16 12 51 0.9051 1.5399 107.4 38.5 22.8
...
2024 04 25 08 43 33.2 -11 15 04 0.8973 1.4642 100.4 42.5 22.8
...
2024 05 01 08 46 49.8 -07 34 57 0.8940 1.4060 95.2 45.5 22.7
2024 05 02 08 47 32.1 -06 58 42 0.8936 1.3962 94.3 46.0 22.7
2024 05 03 08 48 17.1 -06 22 35 0.8932 1.3864 93.4 46.5 22.7
...
2024 05 09 08 53 40.7 -02 49 04 0.8911 1.3267 88.3 49.5 22.7
...
2024 05 17 09 03 05.1 +01 46 50 0.8878 1.2457 81.7 53.4 22.7
...
2024 06 01 09 26 27.7 +10 04 47 0.8733 1.0907 70.2 61.0 22.6
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-J19
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