MPEC 2023-H40 : 2015 HX182
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M.P.E.C. 2023-H40 Issued 2023 April 17, 16:40 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
2015 HX182
Additional Observations:
K15HI2X C2023 04 16.36545013 48 56.092-10 22 43.72 21.84GVEH040V00
K15HI2X C2023 04 16.37042713 48 55.717-10 22 35.26 22.18GVEH040V00
K15HI2X C2023 04 16.37539013 48 55.361-10 22 26.54 21.98GVEH040V00
K15HI2X C2023 04 16.38036213 48 54.997-10 22 17.83 22.14GVEH040V00
K15HI2X KC2023 04 16.39854 13 48 53.68 -10 21 46.0 22.5 RoEH040291
K15HI2X KC2023 04 16.40483 13 48 53.25 -10 21 35.5 21.9 RoEH040291
K15HI2X |C2023 04 17.22814 13 47 58.30 -09 57 42.9 21.7 GVEH040807
K15HI2X |C2023 04 17.23923 13 47 57.53 -09 57 23.8 21.6 GVEH040807
K15HI2X |C2023 04 17.25033 13 47 56.68 -09 57 05.1 21.9 GVEH040807
K15HI2X KC2023 04 17.28453 13 47 54.88 -09 56 21.1 22.7 RoEH040291
K15HI2X KC2023 04 17.29575 13 47 54.09 -09 56 01.7 22.4 RoEH040291
K15HI2X KC2023 04 17.30701 13 47 53.24 -09 55 42.7 21.7 RoEH040291
K15HI2X C2023 04 17.35621213 47 49.733-09 54 17.86 22.49GVEH040V00
K15HI2X C2023 04 17.36121413 47 49.322-09 54 09.97 22.33GVEH040V00
K15HI2X C2023 04 17.36624813 47 48.970-09 54 00.90 22.18GVEH040V00
K15HI2X C2023 04 17.37121013 47 48.599-09 53 52.33 VEH040V00
Observer details:
291 LPL/Spacewatch II. Observers A. F. Tubbiolo, M. T. Read. 1.8-m f/2.7
reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
V00 Kitt Peak-Bok. Observer R. A. Mastaler. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R.
Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
Larson, G. J. Leonard, R. S. McMillan, D. Rankin, R. L. Seaman, A.
Serrano, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
230416 V00 57+ 9+ 230417 V00 57+ 9+ MPO409529 +41.1 days
Orbital elements:
2015 HX182 Earth MOID = 0.3604 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 50.66870 (2000.0) P Q
n 0.49252071 Peri. 260.19617 -0.26200410 -0.95817565
a 1.5880093 Node 205.89838 +0.95607595 -0.24146454
e 0.2206916 Incl. 15.28223 +0.13142535 -0.15360434
P 2.00 H 22.35 G 0.15 U 4
Residuals in seconds of arc
150418 W84 0.2+ 0.2- 150421 H21 0.4- 0.7+ 230416 291 0.1+ 0.1-
150418 W84 0.1+ 0.1- 150421 H21 0.5- 0.8+ 230417 807 0.3- 0.3-
150418 W84 0.1+ 0.2- 150421 H21 0.1- 0.7+ 230417 807 0.1+ 0.2-
150418 W84 0.1+ 0.2- 150422 W84 0.1- 0.2- 230417 807 0.6- 0.6-
150418 W84 0.1+ 0.2- 150422 W84 0.2- 0.0 230417 291 0.0 0.0
150419 W84 0.1- 0.2- 150422 W84 0.2+ 0.0 230417 291 0.3+ 0.2+
150419 W84 0.1- 0.2- 150422 W84 0.2+ 0.0 230417 291 0.3- 0.1-
150419 W84 0.2- 0.1- 150422 W84 0.1+ 0.1- 230417 V00 0.7+ 0.4+
150419 W84 0.1- 0.1- 230416 V00 0.1+ 0.1+ 230417 V00 0.0 0.3-
150419 W84 0.1- 0.0 230416 V00 0.1- 0.1- 230417 V00 0.1+ 0.1+
150419 291 0.1+ 0.1+ 230416 V00 0.0 0.0 230417 V00 0.1- 0.1+
150419 291 0.3+ 0.3+ 230416 V00 0.0 0.1+
150419 291 0.1- 0.1+ 230416 291 0.3- 0.3+
Ephemeris:
2015 HX182 a,e,i = 1.59, 0.22, 15 q = 1.2375
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 18 14 14 23.1 -23 15 41 0.5954 1.4862 136.8 27.3 23.3
...
2023 04 02 14 04 28.8 -17 16 50 0.5638 1.5325 156.4 15.2 22.9
...
2023 04 10 13 56 06.2 -13 28 11 0.5638 1.5571 167.7 7.8 22.6
...
2023 04 16 13 49 21.0 -10 33 07 0.5728 1.5754 176.2 2.4 22.4
2023 04 17 13 48 13.8 -10 04 21 0.5752 1.5784 177.5 1.6 22.3
2023 04 18 13 47 07.1 -09 35 49 0.5777 1.5814 178.4 1.0 22.3
...
2023 04 24 13 40 45.5 -06 51 30 0.5977 1.5995 171.9 5.1 22.7
...
2023 05 02 13 33 40.0 -03 39 27 0.6367 1.6232 161.1 11.6 23.1
...
2023 05 17 13 26 26.9 +00 32 41 0.7422 1.6662 143.3 21.3 23.9
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