2012 HS15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4951584656 ± 3.81e-08
Semi-major axis (a)2.1127808931 AU ± 4.39e-08
Inclination (i)8.36829113° ± 4.32e-06
Long. of Asc. Node (Ω)134.63571268° ± 2.53e-05
Arg. of Perihelion (ω)157.45630001° ± 2.62e-05
Mean Anomaly (M)122.52006018° ± 5.31e-05
Mean Motion (n)0.3209449785°/day ± 1.00e-08
Perihelion dist (q)1.06661955 AU ± 8.34e-08
Aphelion dist (Q)3.15894224 AU ± 1.04e-07
Orbital Period3.07101326 yr ± 9.57e-08
Physical Parameters
H (abs. magnitude)20.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.325″
Uncertainty0
Orbit TypeAmor
MOID0.063562 AU
Observations Used88
Oppositions2
Arc Total2012-2015
First Observation Used2012-04-22
Last Observation Used2015-05-13
Observations (90)
Date Type RA Dec Mag Band Observatory
2012-07-27 23:05:15 C 15 04 25.66 -01 32 15.1 u 807
2012-07-27 23:08:36 C 15 04 26.20 -01 32 22.9 u 807
2012-07-27 23:11:55 C 15 04 26.78 -01 32 30.9 u 807
2012-07-27 23:15:15 C 15 04 27.34 -01 32 38.5 u 807
2012-07-27 23:18:34 C 15 04 27.89 -01 32 45.8 u 807
2012-08-14 23:14:41 C 16 51 15.15 -21 20 28.1 u 807
2012-08-14 23:19:12 C 16 51 16.52 -21 20 41.0 u 807
2012-08-14 23:29:09 C 16 51 19.61 -21 21 09.1 u 807
2012-08-14 23:33:08 C 16 51 20.82 -21 21 20.3 u 807
2012-08-30 01:20:29 C 18 59 04.07 -33 40 28.7 u 807
2012-08-30 01:24:49 C 18 59 05.54 -33 40 33.4 u 807
2012-08-30 01:29:08 C 18 59 07.00 -33 40 37.8 u 807
2012-08-30 01:33:33 C 18 59 08.50 -33 40 42.4 u 807
2012-08-30 01:37:36 C 18 59 09.86 -33 40 46.6 u 807
2012-09-14 23:27:40 C 20 50 34.60 -34 53 16.0 u 807
2012-09-14 23:31:47 C 20 50 35.51 -34 53 14.3 u 807
2012-09-14 23:35:54 C 20 50 36.41 -34 53 12.8 u 807
2012-09-14 23:40:10 C 20 50 37.35 -34 53 11.2 u 807
2012-09-14 23:44:06 C 20 50 38.22 -34 53 09.9 u 807
2012-09-15 23:34:09 C 20 55 57.07 -34 43 08.4 u 807
2012-09-15 23:36:26 C 20 55 57.55 -34 43 07.5 u 807
2012-09-15 23:39:13 C 20 55 58.14 -34 43 06.3 u 807
2012-10-04 02:21:13 C 22 07 53.31 -29 58 59.3 u 807
2012-10-04 02:27:10 C 22 07 54.02 -29 58 54.7 u 807
2012-10-04 02:33:06 C 22 07 54.72 -29 58 50.4 u 807
2015-04-18 04:44:10 C 12 14 39.89 +15 59 56.6 u H21
2015-04-18 05:04:17 C 12 14 38.77 +16 00 05.6 u H21
2015-04-18 05:24:23 C 12 14 37.62 +16 00 15.1 u H21
2015-04-20 22:07:09 C 12 11 16.82 +16 28 38.6 t 950
2015-04-20 22:08:37 C 12 11 16.72 +16 28 39.2 t 950
2015-04-20 22:10:06 C 12 11 16.64 +16 28 40.0 t 950
2015-04-20 22:11:34 C 12 11 16.57 +16 28 40.8 t 950
2015-04-20 22:13:03 C 12 11 16.49 +16 28 41.4 t 950
2015-04-20 22:14:32 C 12 11 16.38 +16 28 41.7 t 950
2015-04-21 04:36:41 C 12 10 56.88 +16 31 16.5 u H21
2015-04-21 05:04:48 C 12 10 55.36 +16 31 28.1 u H21
2015-04-21 05:32:46 C 12 10 53.87 +16 31 40.0 u H21
2015-05-13 02:21:19 C 11 53 10.24 +18 11 02.7 u H21
2015-05-13 02:41:26 C 11 53 09.89 +18 11 02.1 u H21
2015-05-13 03:03:06 C 11 53 09.52 +18 11 02.2 u H21