[Iaude] MPEC G82: 2017 HP3 [a=1.45,e=0.42,i=23.8,H=21.55]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sat Apr 6 10:11:30 EDT 2024
M.P.E.C. 2024-G82 Issued 2024 April 6, 14:10 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
2017 HP3
Revision to MPEC 2017-H60
Additional Observations:
K17H03P DC2024 03 01.51488 15 03 20.03 +29 49 29.7 VEG082695
K17H03P DC2024 03 01.52951 15 03 21.11 +29 49 41.2 23.2 GVEG082695
K17H03P 0C2024 04 04.55410315 27 16.407+39 30 39.33 21.58GVEG082T12
K17H03P 0C2024 04 04.55471115 27 16.396+39 30 40.03 21.50GVEG082T12
K17H03P 0C2024 04 04.55541515 27 16.383+39 30 40.92 21.48GVEG082T12
K17H03P 0C2024 04 04.55610515 27 16.366+39 30 41.79 21.46GVEG082T12
Observer details:
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observers D. J. Tholen,
M.-T. Hui. Measurer 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
240301 695 17.5+ 19.0+ 240404 T12 42.8+ 30.5+ E2024-AC4 +0.03 days
Orbital elements:
2017 HP3 PHA, Earth MOID = 0.0276 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 309.66982 (2000.0) P Q
n 0.56196401 Peri. 236.19903 +0.29632465 +0.89702652
a 1.4543325 Node 54.51018 -0.68759003 +0.43866298
e 0.4158792 Incl. 23.75013 -0.66288132 -0.05402056
P 1.75 H 21.55 G 0.15 U 0
Residuals in seconds of arc
170422 703 0.4+ 0.3- 170424 926 0.5+ 0.6+ 170430 G58 0.3- 0.2-
170422 703 0.4- 0.1- 170424 I52 0.1- 0.2+ 170430 G58 0.1- 0.1+
170422 703 0.3- 0.1- 170424 I52 0.0 0.2+ 170430 I52 0.2+ 0.1-
170422 703 0.4+ 0.0 170424 I52 0.1- 0.1+ 170430 I52 0.1- 0.1-
170422 I52 0.2+ 0.1+ 170424 I52 0.1+ 0.0 170430 I52 0.2- 0.0
170422 I52 0.7+ 0.8+ 170424 Z80 0.6+ 0.8- 170430 I52 0.1+ 0.1-
170422 I52 0.1- 0.4+ 170425 Z80 0.4- 0.1+ 170501 G40 0.1- 0.1+
170422 I52 0.1- 0.0 170425 J95 0.5+ 0.0 170501 G40 0.2- 0.0
170422 703 0.0 0.5+ 170425 J95 0.3+ 0.1- 170502 033 0.2+ 0.1+
170422 703 0.5+ 0.1- 170425 J95 0.2+ 0.1- 170502 033 0.0 0.1+
170422 703 1.4+ 0.2- 170425 H21 0.2- 0.1+ 170502 033 0.1+ 0.1+
170423 J95 0.1- 0.2- 170425 H21 0.0 0.2+ 170503 033 0.1+ 0.1+
170423 J95 0.1+ 0.1+ 170425 H21 0.0 0.3+ 170503 033 0.1+ 0.1+
170423 J95 0.3+ 0.2- 170425 I52 0.0 0.1+ 170503 033 0.1- 0.1+
170423 734 0.0 0.1- 170425 I52 0.1+ 0.3+ 170503 033 0.3+ 0.0
170423 734 0.1- 0.2- 170425 I52 0.0 0.3- 170503 I52 0.3- 0.0
170423 H21 0.0 0.1- 170425 I52 0.2- 0.0 170503 I52 0.2- 0.1+
170423 734 0.1- 0.1- 170425 J95 0.1+ 0.2+ 170503 I52 0.0 0.1+
170423 H21 0.0 0.0 170425 J95 0.1+ 0.3+ 170503 I52 0.4- 0.1+
170423 734 0.1- 0.1- 170425 J95 0.3- 0.3+ 170507 I52 0.1+ 0.2-
170423 H21 0.1+ 0.1- 170426 W25 0.3+ 0.1+ 170507 I52 0.0 0.3+
170423 I52 0.1+ 1.0- 170426 W25 0.1+ 0.3+ 170507 I52 0.4- 0.1+
170423 I52 0.2- 0.3- 170428 T12 0.0 0.0 170507 I52 0.1+ 0.2-
170423 926 0.1+ 0.1+ 170428 T12 0.0 0.0 170508 W25 1.3+ 0.4-
170423 I52 0.1- 0.6- 170429 204 0.3+ 0.1- 170508 W25 0.5+ 0.5+
170423 926 0.0 0.2- 170429 204 0.0 0.6+ 171030 291 0.4+ 0.2+
170423 926 0.1- 0.2- 170429 104 (0.3+ 1.3-) 171030 291 0.2+ 0.5-
170423 I93 0.3+ 0.4- 170429 104 0.0 0.2+ 171118 291 0.4+ 0.0
170423 I93 0.0 0.3- 170429 104 0.1+ 0.3+ 171118 291 0.0 0.0
170423 I93 0.1+ 0.3+ 170429 K74 1.1- 0.6- 171118 291 0.9- 0.1-
170424 958 0.7+ 0.2+ 170430 K74 0.5- 0.7- 240301 695 0.2- 0.1-
170424 958 0.9+ 0.2+ 170430 K74 0.3- 0.1+ 240301 695 0.0 0.2-
170424 958 0.9+ 0.1+ 170430 K74 0.4- 0.3+ 240404 T12 0.1- 0.1-
170424 H36 0.4- 0.2- 170430 926 (1.1+ 0.5+) 240404 T12 0.1- 0.1-
170424 H36 0.0 0.2- 170430 926 0.1+ 0.1- 240404 T12 0.0 0.1-
170424 926 0.3- 0.1- 170430 926 0.2+ 0.1- 240404 T12 0.1- 0.1-
170424 926 0.2+ 0.2+ 170430 G58 0.4- 0.1+
Ephemeris:
2017 HP3 a,e,i = 1.45, 0.42, 24 q = 0.8495
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 03 07 15 10 04.4 +31 05 44 0.6597 1.4293 118.4 37.6 22.9
...
2024 03 22 15 23 42.3 +35 09 06 0.5100 1.3364 121.6 39.4 22.3
...
2024 03 30 15 27 07.9 +37 38 24 0.4344 1.2853 122.5 41.0 21.9
...
2024 04 05 15 27 11.4 +39 39 50 0.3793 1.2465 122.6 42.5 21.6
2024 04 06 15 26 56.1 +40 00 56 0.3702 1.2400 122.6 42.8 21.5
2024 04 07 15 26 35.7 +40 22 16 0.3612 1.2334 122.5 43.2 21.5
...
2024 04 13 15 22 26.9 +42 36 09 0.3077 1.1943 121.9 45.4 21.1
...
2024 04 21 15 08 58.8 +45 55 45 0.2379 1.1423 119.9 49.7 20.6
...
2024 05 06 13 26 07.5 +54 11 47 0.1137 1.0475 106.9 67.1 19.3
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-G82
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