2012 HN40

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6712601346 ± 6.40e-08
Semi-major axis (a)2.7061963487 AU ± 2.16e-08
Inclination (i)14.38333734° ± 1.96e-05
Long. of Asc. Node (Ω)60.56440310° ± 8.47e-06
Arg. of Perihelion (ω)246.67622997° ± 2.55e-05
Mean Anomaly (M)357.40540905° ± 1.25e-05
Mean Motion (n)0.2213978099°/day ± 2.65e-09
Perihelion dist (q)0.88963462 AU ± 1.73e-07
Aphelion dist (Q)4.52275807 AU ± 1.77e-07
Orbital Period4.45183393 yr ± 5.33e-08
Physical Parameters
H (abs. magnitude)20.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.284″
Uncertainty0
Orbit TypeApollo
MOID0.074556 AU
Observations Used90
Oppositions7
Arc Total2012-2021
First Observation Used2012-04-21
Last Observation Used2021-05-13
Observations (121)
Date Type RA Dec Mag Band Observatory
2012-04-21 12:39:19 C 15 22 25.722 +01 59 17.66 L F51
2012-04-21 12:55:06 C 15 22 25.254 +01 59 18.43 L F51
2012-04-21 13:11:16 C 15 22 24.771 +01 59 19.16 L F51
2012-04-21 13:27:10 C 15 22 24.320 +01 59 19.75 L F51
2012-04-27 13:21:15 C 15 17 43.095 +02 00 10.91 L F51
2012-04-27 13:36:15 C 15 17 42.414 +02 00 10.23 L F51
2012-04-27 13:53:23 C 15 17 41.643 +02 00 09.51 L F51
2012-04-27 14:09:31 C 15 17 40.931 +02 00 08.60 L F51
2012-05-12 07:32:14 C 14 54 13.86 +00 32 37.2 r 703
2012-05-12 07:41:54 C 14 54 12.92 +00 32 32.4 r 703
2012-05-12 07:51:42 C 14 54 11.84 +00 32 27.7 r 703
2012-05-12 08:01:31 C 14 54 10.83 +00 32 23.0 r 703
2012-05-12 09:28:48 C 14 54 01.77 +00 31 35.9 r 703
2012-05-12 09:30:28 C 14 54 01.65 +00 31 35.4 r 703
2012-05-12 09:32:06 C 14 54 01.44 +00 31 33.8 r 703
2012-05-12 13:33:03 C 14 53 38.71 +00 29 51.7 r E12
2012-05-12 13:40:08 C 14 53 37.96 +00 29 47.8 r E12
2012-05-12 14:17:43 C 14 53 34.36 +00 28 56.8 o 300
2012-05-12 14:21:45 C 14 53 33.96 +00 28 53.9 o 300
2012-05-12 14:25:46 C 14 53 33.55 +00 28 51.9 o 300
2012-05-12 14:29:48 C 14 53 33.14 +00 28 49.8 o 300
2012-05-12 16:21:17 C 14 53 21.19 +00 28 19.2 u D90
2012-05-12 16:31:41 C 14 53 20.07 +00 28 13.7 u D90
2012-05-12 16:42:04 C 14 53 18.99 +00 28 08.1 u D90
2012-05-12 16:52:29 C 14 53 17.87 +00 28 02.4 u D90
2012-05-12 19:36:27 C 14 53 03.23 +00 25 54.5 u C73
2012-05-12 19:42:15 C 14 53 02.58 +00 25 50.9 u C73
2012-05-12 19:48:01 C 14 53 01.97 +00 25 47.7 u C73
2012-05-12 19:53:55 C 14 53 01.33 +00 25 45.0 u C73
2012-05-12 19:59:54 C 14 53 00.72 +00 25 41.7 u C73
2012-05-12 21:16:47 C 14 52 53.01 +00 24 57.7 t 204
2012-05-12 21:35:19 C 14 52 51.05 +00 24 47.1 t 204
2012-05-12 21:57:28 C 14 52 48.62 +00 24 35.7 u 157
2012-05-12 22:03:32 C 14 52 47.97 +00 24 32.5 u 157
2012-05-12 22:09:37 C 14 52 47.31 +00 24 29.1 u 157
2012-05-12 23:34:07 C 14 52 38.49 +00 23 38.3 t B96
2012-05-12 23:40:32 C 14 52 37.83 +00 23 33.3 t B96
2012-05-12 23:46:58 C 14 52 37.15 +00 23 30.2 t B96
2012-05-12 23:53:24 C 14 52 36.44 +00 23 26.1 t B96
2012-05-12 23:59:48 C 14 52 35.75 +00 23 22.7 t B96
2012-05-14 22:09:08 C 14 47 41.10 -00 05 45.2 r A17
2012-05-14 22:25:58 C 14 47 39.11 -00 05 56.8 r A17
2012-05-14 22:42:48 C 14 47 37.13 -00 06 08.5 r A17
2012-05-16 23:45:46 C 14 41 47.78 -00 43 32.0 t 130
2012-05-16 23:50:49 C 14 41 47.17 -00 43 35.9 t 130
2012-05-16 23:55:32 C 14 41 46.55 -00 43 37.5 t 130
2012-05-18 02:05:16 C 14 38 25.64 -01 06 34.4 u I15
2012-05-18 02:11:36 C 14 38 24.83 -01 06 40.2 u I15
2012-05-18 02:17:57 C 14 38 23.82 -01 06 45.2 u I15
2012-05-18 08:42:48 C 14 37 32.263 -01 12 34.63 L F51