2012 HO15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6451480489 ± 1.74e-08
Semi-major axis (a)2.4371886872 AU ± 5.58e-08
Inclination (i)26.09617102° ± 1.63e-05
Long. of Asc. Node (Ω)187.00612973° ± 1.16e-05
Arg. of Perihelion (ω)112.72903328° ± 1.63e-05
Mean Anomaly (M)178.81091724° ± 4.07e-05
Mean Motion (n)0.2590469873°/day ± 8.90e-09
Perihelion dist (q)0.86484116 AU ± 4.67e-08
Aphelion dist (Q)4.00953621 AU ± 1.01e-07
Orbital Period3.80481662 yr ± 1.31e-07
Physical Parameters
H (abs. magnitude)19.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.386″
Uncertainty0
Orbit TypeApollo
MOID0.090645 AU
Observations Used145
Oppositions3
Arc Total2012-2016
First Observation Used2012-04-21
Last Observation Used2016-11-04
Observations (155)
Date Type RA Dec Mag Band Observatory
2012-04-21 10:16:04 C 12 28 55.349 +12 56 58.96 L F51
2012-04-21 10:36:47 C 12 28 53.988 +12 57 36.59 L F51
2012-04-21 10:57:38 C 12 28 52.622 +12 58 14.20 L F51
2012-04-21 11:18:30 C 12 28 51.259 +12 58 52.04 L F51
2012-04-21 23:15:52 C 12 28 07.28 +13 20 28.3 u J95
2012-04-21 23:21:34 C 12 28 06.90 +13 20 38.6 u J95
2012-04-21 23:27:06 C 12 28 06.50 +13 20 49.7 u J95
2012-04-22 04:02:17 C 12 27 49.85 +13 29 11.6 u H36
2012-04-22 04:08:51 C 12 27 49.44 +13 29 23.7 u H36
2012-04-22 04:15:20 C 12 27 49.02 +13 29 35.4 u H36
2012-04-22 04:50:37 C 12 27 46.96 +13 30 40.3 o 291
2012-04-22 04:52:18 C 12 27 46.80 +13 30 43.4 o 291
2012-04-22 04:53:59 C 12 27 46.72 +13 30 46.7 o 291
2012-04-22 05:53:45 C 12 27 42.73 +13 32 34.4 o H01
2012-04-22 06:06:45 C 12 27 41.89 +13 32 58.0 o H01
2012-04-22 06:17:22 C 12 27 41.19 +13 33 17.3 o H01
2012-04-22 06:28:50 C 12 27 40.43 +13 33 38.1 o H01
2012-04-22 20:09:12 C 12 26 50.33 +13 58 22.3 u 104
2012-04-22 20:19:33 C 12 26 49.64 +13 58 41.0 u 104
2012-04-22 23:02:41 C 12 26 39.28 +14 03 37.3 v I93
2012-04-22 23:14:28 C 12 26 38.54 +14 03 58.1 v I93
2012-04-22 23:23:37 C 12 26 37.90 +14 04 15.0 v I93
2012-04-23 04:00:40 C 12 26 21.08 +14 12 37.5 r H21
2012-04-23 04:09:13 C 12 26 20.52 +14 12 52.8 r H21
2012-04-23 04:17:21 C 12 26 19.99 +14 13 07.5 r H21
2012-04-23 04:47:50 C 12 26 18.11 +14 14 03.1 u H36
2012-04-23 04:58:33 C 12 26 17.43 +14 14 22.5 u H36
2012-04-23 05:09:23 C 12 26 16.74 +14 14 42.0 u H36
2012-04-23 05:20:11 C 12 26 16.04 +14 15 01.7 u H36
2012-04-24 04:14:07 C 12 24 52.41 +14 56 24.6 o 291
2012-04-24 04:16:19 C 12 24 52.26 +14 56 28.7 o 291
2012-04-24 04:18:29 C 12 24 52.11 +14 56 32.4 o 291
2012-04-24 22:48:11 C 12 23 44.22 +15 29 45.5 t 204
2012-04-24 23:10:54 C 12 23 42.79 +15 30 26.3 t 204
2012-04-24 23:25:03 C 12 23 41.86 +15 30 52.1 t 204
2012-04-30 03:38:53 C 12 16 26.26 +19 09 57.8 u 448
2012-04-30 04:28:56 C 12 16 23.24 +19 11 24.1 u 448
2012-04-30 05:17:21 C 12 16 20.38 +19 12 47.9 u 448
2012-05-01 04:38:13 C 12 15 02.51 +19 52 46.4 u H21
2012-05-01 04:47:21 C 12 15 02.00 +19 53 01.8 u H21
2012-05-01 04:56:30 C 12 15 01.46 +19 53 17.2 u H21
2012-05-05 03:51:47 C 12 10 03.30 +22 31 13.8 u 448
2012-05-05 05:27:00 C 12 09 58.15 +22 33 46.6 u 448
2012-05-13 04:56:58 C 12 01 41.80 +27 25 18.5 o 291
2012-05-13 04:59:12 C 12 01 41.72 +27 25 21.6 o 291
2012-05-13 05:01:24 C 12 01 41.62 +27 25 24.7 o 291
2012-05-17 03:36:38 C 11 58 37.80 +29 35 13.0 u 448
2012-05-17 04:40:45 C 11 58 35.80 +29 36 37.6 u 448
2012-05-17 05:47:58 C 11 58 33.47 +29 38 04.3 u 448
2012-05-30 04:12:10 C 11 53 54.61 +35 44 38.4 u H21