MPEC 2023-L56 : 2014 HG4
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M.P.E.C. 2023-L56 Issued 2023 June 11, 14:07 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
2014 HG4
Revision to MPEC 2014-H27
Additional Observations:
K14H04G 0C2023 04 22.39428611 30 03.485+10 45 14.05 23.72GVEL056T12
K14H04G 0C2023 05 24.29122311 06 44.816+12 00 20.33 23.86GVEL056T12
Observer details:
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
230422 T12 12.2+ 3.0+ 230524 T12 6.4+ 0.9+ MPO740438 +0.01 days
Orbital elements:
2014 HG4 Earth MOID = 0.0659 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 313.93083 (2000.0) P Q
n 0.21368258 Peri. 210.59066 +0.76280305 +0.64231124
a 2.7709157 Node 109.25463 -0.57612360 +0.72748648
e 0.7859723 Incl. 4.53331 -0.29362069 +0.24124611
P 4.61 H 19.89 G 0.15 U 1
Residuals in seconds of arc
140404 F51 0.0 0.1- 140424 850 0.3- 0.2- 140504 H45 0.0 0.2-
140404 F51 0.0 0.2- 140424 850 0.1+ 0.2+ 140504 B49 0.4- 0.0
140404 F51 0.1- 0.1- 140424 850 0.1+ 0.1+ 140504 B49 0.2- 0.2-
140404 F51 0.1+ 0.2- 140424 850 0.3+ 0.2+ 140504 B49 0.1+ 0.6-
140421 703 0.2+ 0.6+ 140424 850 0.0 0.1- 140508 I15 0.1- 0.1+
140421 703 1.4+ 0.8- 140424 C43 0.5+ 0.3+ 140508 I15 0.1+ 0.3+
140421 703 1.4+ 0.5- 140424 C43 0.5+ 0.3+ 140508 I15 0.2- 0.0
140421 703 0.3- 0.1+ 140426 H45 0.2- 0.1- 140508 703 0.9+ 0.3-
140421 033 0.3- 0.0 140426 H45 0.2+ 0.0 140508 703 0.2+ 1.3+
140421 033 0.1+ 0.1- 140426 H45 0.4+ 0.2- 140508 703 0.1+ 0.3+
140422 807 0.0 0.2- 140426 H45 1.0- 0.3- 140508 560 0.4- 0.3-
140422 807 0.0 0.0 140426 H45 0.5- 0.2- 140508 560 0.2- 0.3-
140422 807 0.2+ 0.2- 140426 H45 0.4- 0.2- 140508 560 0.5- 0.2-
140422 H21 0.0 0.0 140426 H45 0.4- 0.3+ 140511 C43 0.8+ 0.6+
140422 H21 0.2+ 0.0 140426 H45 0.4- 0.2- 140511 C43 0.7- 0.5-
140422 H21 0.4+ 0.0 140426 H45 0.2- 0.3- 140512 C43 0.2+ 1.4+
140422 H21 0.2+ 0.1- 140426 H45 0.5- 0.1- 140512 C43 0.9+ 1.7+
140422 958 0.7- 0.1- 140429 G56 0.6- 0.5- 140517 H21 0.0 0.1+
140422 I93 0.1- 0.2- 140429 G56 0.3- 0.1+ 140517 H21 0.1- 0.2+
140422 958 0.5- 0.3+ 140429 G56 0.2+ 0.2- 140517 H21 0.2+ 0.2-
140422 958 0.9- 0.3+ 140430 F51 0.1+ 0.1+ 140517 H21 0.2- 0.2-
140422 033 0.0 0.0 140430 F51 0.1- 0.0 140517 H21 0.1- 0.3-
140422 033 0.1+ 0.1- 140430 F51 0.1- 0.0 140519 H21 0.1- 0.3-
140422 033 0.0 0.0 140502 850 0.5- 0.1- 140519 H21 0.0 0.3-
140422 033 0.3+ 0.1- 140502 850 0.2- 0.0 140519 H21 0.0 0.5-
140422 I93 0.1+ 0.0 140502 850 0.4+ 0.2+ 140521 H45 0.0 1.5+
140422 033 0.2+ 0.0 140502 I52 0.2- 0.1+ 140521 H45 0.1+ 0.0
140422 203 0.0 0.1- 140502 I52 0.1- 0.1+ 140521 H45 0.3- 0.4-
140422 204 0.2- 0.2- 140502 I52 0.1- 0.2+ 140521 H45 0.4- 0.3-
140422 203 0.1- 0.1- 140502 I52 0.2- 0.2+ 140521 H45 0.3+ 0.3+
140422 B74 0.1- 0.2+ 140502 H45 0.1- 0.2+ 140521 H45 0.6+ 0.0
140422 204 0.4- 0.2- 140502 H45 0.1+ 0.7+ 140522 C43 1.4+ 0.2+
140422 B74 0.2+ 0.2+ 140502 H45 0.0 0.1+ 140522 C43 0.8+ 0.6-
140422 204 0.2- 0.0 140502 H45 0.4- 0.3- 140523 C51 0.4- 0.1-
140422 B74 0.1- 0.1- 140502 H45 0.1- 0.2+ 140523 C51 0.3- 0.1-
140423 H21 0.1+ 0.1- 140502 H45 0.0 0.0 140523 C51 0.4- 0.3-
140423 H21 0.1- 0.0 140503 H45 0.1+ 0.5- 140523 C51 0.6- 0.1-
140423 H21 0.3- 0.1- 140503 H45 0.1- 0.4+ 140531 H21 0.8- 0.1-
140423 G96 0.1- 0.0 140503 H45 0.4- 0.1+ 140531 H21 0.2- 0.3+
140423 G96 0.0 0.1- 140503 H45 0.8- 0.0 140531 H21 1.1+ 0.4-
140423 G96 0.0 0.1- 140503 H45 0.7- 0.1+ 141121 H21 0.1+ 0.2+
140423 G96 0.0 0.1- 140503 H45 0.0 0.1- 141121 H21 0.0 0.3-
140423 291 0.4+ 0.3+ 140504 H45 0.3- 0.7+ 141121 H21 0.3- 0.2-
140423 291 0.2+ 0.3+ 140504 H45 0.2- 0.1+ 230422 T12 0.0 0.0
140423 291 0.3+ 0.1+ 140504 H45 0.1+ 0.4- 230524 T12 0.1- 0.0
140424 850 0.8- 0.4- 140504 H45 0.2- 0.0
140424 850 0.3- 0.3- 140504 H45 0.5+ 0.1-
Ephemeris:
2014 HG4 a,e,i = 2.77, 0.79, 5 q = 0.5931
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 12 11 11 39.0 +12 00 53 1.5167 2.1293 113.3 25.8 23.6
...
2023 05 27 11 06 23.2 +11 55 39 1.5617 1.9740 97.8 30.6 23.7
...
2023 06 04 11 06 46.0 +11 32 55 1.5847 1.8880 90.4 32.5 23.6
...
2023 06 10 11 08 24.6 +11 07 44 1.5993 1.8220 85.3 33.7 23.6
2023 06 11 11 08 47.6 +11 02 54 1.6014 1.8108 84.4 33.9 23.6
2023 06 12 11 09 12.3 +10 57 52 1.6035 1.7996 83.6 34.1 23.6
...
2023 06 18 11 12 18.7 +10 23 56 1.6136 1.7318 78.8 35.1 23.6
...
2023 06 26 11 18 03.5 +09 28 57 1.6202 1.6392 72.8 36.3 23.5
...
2023 07 11 11 33 24.1 +07 16 56 1.6066 1.4589 62.9 38.4 23.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-L56
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