2012 HN8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3863474284 ± 2.84e-08
Semi-major axis (a)1.8483365468 AU ± 3.10e-09
Inclination (i)21.85351253° ± 6.11e-06
Long. of Asc. Node (Ω)194.60854777° ± 7.26e-06
Arg. of Perihelion (ω)56.41393967° ± 2.04e-05
Mean Anomaly (M)131.76505723° ± 9.51e-06
Mean Motion (n)0.3922299024°/day ± 9.87e-10
Perihelion dist (q)1.13423648 AU ± 5.26e-08
Aphelion dist (Q)2.56243662 AU ± 5.27e-08
Orbital Period2.51287900 yr ± 6.32e-09
Physical Parameters
H (abs. magnitude)20.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.283″
Uncertainty0
Orbit TypeAmor
MOID0.238251 AU
Observations Used173
Oppositions6
Arc Total2012-2022
First Observation Used2012-04-21
Last Observation Used2022-08-27
Observations (176)
Date Type RA Dec Mag Band Observatory
2012-04-21 10:42:35 C 16 41 17.19 +20 22 06.2 r 703
2012-04-21 10:50:44 C 16 41 18.38 +20 22 37.3 r 703
2012-04-21 11:06:58 C 16 41 20.68 +20 23 38.4 r 703
2012-04-21 11:38:05 C 16 41 25.19 +20 25 35.8 o H01
2012-04-21 11:45:48 C 16 41 26.42 +20 26 06.8 r 703
2012-04-21 11:46:46 C 16 41 26.48 +20 26 09.9 r 703
2012-04-21 11:46:54 C 16 41 26.48 +20 26 09.0 o H01
2012-04-21 11:51:53 C 16 41 27.21 +20 26 27.9 o H01
2012-04-21 22:11:02 C 16 43 04.87 +21 05 14.0 u J95
2012-04-21 22:28:40 C 16 43 07.46 +21 06 20.4 u J95
2012-04-21 22:36:02 C 16 43 08.57 +21 06 48.7 u J95
2012-04-22 10:33:36 C 16 44 57.14 +21 51 55.2 o H01
2012-04-22 10:41:21 C 16 44 58.38 +21 52 24.9 r G96
2012-04-22 10:42:02 C 16 44 58.48 +21 52 27.6 r G96
2012-04-22 10:42:40 C 16 44 58.59 +21 52 29.8 r G96
2012-04-22 10:43:20 C 16 44 58.66 +21 52 32.3 r G96
2012-04-22 10:44:06 C 16 44 58.67 +21 52 34.3 o H01
2012-04-22 10:53:45 C 16 45 00.07 +21 53 10.2 o H01
2012-04-22 11:03:43 C 16 45 01.52 +21 53 47.4 o H01
2012-04-24 09:35:02 C 16 52 09.77 +24 44 51.7 u H21
2012-04-24 09:40:34 C 16 52 10.56 +24 45 11.4 u H21
2012-04-24 09:45:09 C 16 52 11.26 +24 45 28.2 u H21
2012-04-24 10:06:34 C 16 52 14.62 +24 46 45.9 u H36
2012-04-24 10:11:09 C 16 52 15.25 +24 47 02.5 u H36
2012-04-24 10:15:43 C 16 52 15.96 +24 47 18.4 u H36
2012-05-02 08:58:29 C 17 21 00.49 +35 10 37.2 t H21
2012-05-02 09:05:17 C 17 21 01.45 +35 10 57.0 t H21
2012-05-02 09:11:54 C 17 21 02.34 +35 11 15.5 t H21
2012-05-03 08:45:08 C 17 24 30.18 +36 18 03.8 u H21
2012-05-03 08:53:13 C 17 24 31.32 +36 18 26.3 u H21
2012-05-03 08:57:17 C 17 24 31.88 +36 18 37.7 u H21
2012-05-10 08:32:43 C 17 48 17.27 +43 07 02.2 o H21
2012-05-10 08:45:33 C 17 48 18.89 +43 07 28.9 o H21
2012-05-10 08:58:52 C 17 48 20.60 +43 07 57.0 o H21
2012-05-11 08:20:25 C 17 51 30.84 +43 55 55.8 o H21
2012-05-11 08:30:04 C 17 51 32.08 +43 56 15.2 o H21
2012-05-11 08:39:11 C 17 51 33.20 +43 56 33.7 o H21
2012-05-13 09:10:11 C 17 57 59.37 +45 29 41.4 u H21
2012-05-13 09:24:00 C 17 58 01.06 +45 30 06.5 u H21
2012-05-13 09:29:55 C 17 58 01.81 +45 30 17.6 u H21
2012-05-15 08:24:42 C 18 04 05.19 +46 52 22.2 o H21
2012-05-15 08:33:45 C 18 04 06.26 +46 52 37.3 o H21
2012-05-15 08:43:05 C 18 04 07.36 +46 52 52.8 o H21
2012-05-15 08:57:28 C 18 04 09.05 +46 53 16.6 o H21
2012-05-17 09:04:20 C 18 10 09.41 +48 09 44.6 o H21
2012-05-17 09:10:42 C 18 10 10.14 +48 09 54.2 o H21
2012-05-17 09:17:21 C 18 10 10.88 +48 10 04.6 o H21
2012-05-18 09:02:16 C 18 13 04.39 +48 45 06.2 o H21
2012-05-18 09:09:48 C 18 13 05.25 +48 45 17.0 o H21
2012-05-18 09:18:15 C 18 13 06.18 +48 45 29.2 o H21