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
2012-05-22 07:57:07 C 18 24 07.67 +50 48 42.1 u H21
2012-05-22 08:06:08 C 18 24 08.59 +50 48 52.5 u H21
2012-05-22 08:14:28 C 18 24 09.44 +50 49 02.5 u H21
2012-05-23 08:36:56 C 18 26 51.42 +51 16 48.4 u H21
2012-05-23 08:48:47 C 18 26 52.64 +51 17 01.3 u H21
2012-05-23 09:00:01 C 18 26 53.76 +51 17 13.8 u H21
2012-06-08 07:09:55 C 19 02 10.36 +55 46 38.0 u H21
2012-06-08 07:32:40 C 19 02 11.85 +55 46 46.6 u H21
2012-06-08 07:55:48 C 19 02 13.40 +55 46 55.1 u H21
2012-06-09 08:14:23 C 19 04 00.77 +55 55 25.9 u H21
2012-06-09 08:33:15 C 19 04 01.97 +55 55 31.9 u H21
2012-06-09 08:52:10 C 19 04 03.25 +55 55 37.6 u H21
2012-06-29 10:08:41 C 19 29 35.25 +55 59 00.0 o 291
2012-06-29 10:19:24 C 19 29 35.53 +55 58 56.4 o 291
2012-06-29 10:30:06 C 19 29 35.76 +55 58 53.4 o 291
2012-06-30 06:18:38 C 19 30 20.69 +55 52 38.5 o 291
2012-06-30 06:29:32 C 19 30 20.97 +55 52 33.5 o 291
2012-06-30 06:40:26 C 19 30 21.27 +55 52 30.8 o 291
2012-08-12 08:14:43 C 19 55 47.93 +38 09 37.3 o 291
2012-08-12 08:19:42 C 19 55 48.05 +38 09 28.7 o 291
2012-08-12 08:24:49 C 19 55 48.16 +38 09 19.3 o 291
2012-09-09 02:29:29 C 20 22 58.31 +17 58 00.1 u H21
2012-09-09 02:55:34 C 20 22 59.58 +17 57 14.7 u H21
2012-09-09 03:08:05 C 20 23 00.15 +17 56 52.6 u H21
2012-09-10 02:32:52 C 20 24 13.25 +17 16 36.5 u H21
2012-09-10 02:56:01 C 20 24 14.37 +17 15 57.4 u H21
2012-09-10 03:10:48 C 20 24 15.13 +17 15 31.9 u H21
2012-09-19 01:10:27 C 20 36 05.11 +11 32 01.8 u H21
2012-09-19 01:33:26 C 20 36 06.36 +11 31 27.7 u H21
2012-09-19 01:57:07 C 20 36 07.69 +11 30 52.6 u H21
2017-02-24 02:02:39 C 12 44 27.535 -27 30 17.83 U J04
2017-02-24 02:18:31 C 12 44 28.220 -27 30 14.57 U J04
2017-02-24 02:34:23 C 12 44 28.925 -27 30 12.31 U J04
2017-02-26 01:12:03 C 12 46 41.392 -27 20 06.05 U J04
2017-02-26 01:29:29 C 12 46 42.121 -27 20 01.92 U J04
2017-02-26 01:46:56 C 12 46 42.875 -27 19 57.91 U J04
2017-03-29 06:53:39 C 13 19 06.75 -12 53 09.6 u 926
2017-03-29 06:58:57 C 13 19 06.91 -12 52 56.7 u 926
2017-03-29 07:04:14 C 13 19 07.12 -12 52 43.8 u 926
2017-04-04 08:38:32 C 13 25 32.08 -06 01 14.5 q H45
2017-04-04 08:40:07 C 13 25 32.11 -06 01 11.1 q H45
2017-04-04 08:41:30 C 13 25 32.17 -06 01 05.2 q H45
2017-04-04 08:42:47 C 13 25 32.22 -06 01 01.3 q H45
2017-04-04 08:44:07 C 13 25 32.33 -06 00 57.1 q H45
2017-04-04 08:45:24 C 13 25 32.34 -06 00 52.7 q H45
2017-04-07 07:08:36 C 13 28 52.53 -02 06 47.4 q G96
2017-04-07 07:11:49 C 13 28 52.66 -02 06 36.3 q G96
2017-04-07 07:15:59 C 13 28 52.83 -02 06 21.9 q G96
2017-04-07 07:18:49 C 13 28 52.95 -02 06 12.3 q G96
2017-04-08 05:45:39 C 13 29 59.27 -00 47 05.4 q G96