MPEC 2023-H177 : 2013 HL = 2020 SH1
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M.P.E.C. 2023-H177 Issued 2023 April 25, 13:42 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
2013 HL = 2020 SH1
Additional Observations:
K13H00L 5C2003 11 23.38015302 25 20.57 -07 17 29.2 WEH177T14
K13H00L 5C2003 11 23.38327502 25 20.44 -07 17 31.5 WEH177T14
K13H00L 5C2003 11 23.39990602 25 19.57 -07 17 42.8 WEH177T14
K13H00L 5C2003 11 23.40287202 25 19.42 -07 17 44.9 WEH177T14
K13H00L ZC2013 04 14.53398 15 09 12.42 -06 34 14.8 21.1 iWEH177F51
K13H00L ZC2013 04 23.44337 15 08 12.38 +00 40 44.4 20.3 iWEH177F51
K13H00L ZC2013 04 23.45411 15 08 12.10 +00 41 17.1 20.3 iWEH177F51
K13H00L ZC2013 04 23.51741 15 08 10.43 +00 44 29.5 20.6 rWEH177F51
K13H00L ZC2013 05 09.47468 15 00 47.31 +13 39 31.9 21.4 gWEH177F51
K13H00L ZC2013 05 16.34596 14 57 09.05 +18 08 13.5 20.7 rWEH177F51
K13H00L &C2018 03 12.23330710 05 59.62 -15 34 00.9 22.4 gWEH177W84
K13H00L &C2018 03 12.23467610 05 59.54 -15 33 58.3 21.8 rWEH177W84
K13H00L &C2020 11 22.03239901 06 36.33 -07 39 59.4 WEH177W84
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurer S. Deen. 1.8-m Ritchey-Chretien + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer . Measurer S. Deen.
3.58-m Canada-France-Hawaii Telescope + CCD.
W84 Cerro Tololo-DECam. Observers P. Ferguson, J. Carballo-Bello, N.
Golovich. Measurer S. Deen. 4.0-m reflector + CCD.
Orbital elements:
2013 HL = 2020 SH1 Earth MOID = 0.3311 AU
Id. R. Weryk
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 227.90632 (2000.0) P Q
n 0.57828566 Peri. 78.99217 +0.14481562 +0.98496387
a 1.4268372 Node 200.08402 -0.98065954 +0.13020672
e 0.1219585 Incl. 15.92223 -0.13166360 +0.11354461
P 1.70 H 21.68 G 0.15 U 1
Residuals in seconds of arc
031123 T14 0.2- 0.3+ 130418 291 0.2+ 0.7- 200917 F51 0.1- 0.1+
031123 T14 0.3+ 0.1+ 130423 F51 0.4- 0.1- 200917 F51 0.1- 0.1+
031123 T14 0.1- 0.2+ 130423 F51 0.3- 0.1- 200918 H21 0.6- 0.6+
031123 T14 0.1- 0.1+ 130423 F51 0.0 0.1- 200918 H21 0.6- 0.3+
130414 F51 0.4- 0.0 130509 F51 0.2- 0.2- 200918 H21 0.8- 0.1+
130417 F51 0.0 0.3- 130516 F51 0.3- 0.0 200919 H21 0.3+ 0.2-
130417 F51 0.0 0.3- 180312 W84 0.1- 0.1+ 200919 H21 0.7+ 0.2-
130417 F51 0.1+ 0.3- 180312 W84 0.0 0.3+ 200919 H21 0.9+ 0.3-
130418 291 0.2+ 0.4+ 200917 F51 0.1- 0.1+ 200919 H21 1.1+ 0.8-
130418 291 0.1- 0.8+ 200917 F51 0.2- 0.1+ 201122 W84 0.1+ 0.4+
Ephemeris:
2013 HL a,e,i = 1.43, 0.12, 16 q = 1.2528
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 26 07 28 14.2 +01 02 21 0.8804 1.5172 107.6 38.8 23.9
...
2023 04 10 07 49 53.3 +04 50 51 0.9695 1.4951 98.7 41.5 24.1
...
2023 04 18 08 04 07.5 +06 26 42 1.0183 1.4825 94.3 42.5 24.2
...
2023 04 24 08 15 49.0 +07 26 31 1.0551 1.4727 91.2 43.0 24.3
2023 04 25 08 17 50.5 +07 35 28 1.0612 1.4711 90.7 43.1 24.3
2023 04 26 08 19 53.3 +07 44 09 1.0673 1.4695 90.2 43.2 24.3
...
2023 05 02 08 32 33.6 +08 30 18 1.1036 1.4594 87.3 43.6 24.4
...
2023 05 10 08 50 23.9 +09 16 25 1.1513 1.4458 83.7 44.0 24.5
...
2023 05 25 09 26 12.0 +09 57 49 1.2372 1.4196 77.5 44.2 24.6
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H177
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