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
2022-03-11 09:57:50 C 11 39 50.133 -22 59 48.26 U F52
2022-04-20 06:01:43 C 11 32 19.702 +12 35 54.13 U F52
2022-04-20 06:18:13 C 11 32 20.001 +12 36 41.25 U F52
2022-04-20 06:34:40 C 11 32 20.310 +12 37 28.33 U F52
2022-04-27 05:19:16 C 11 38 06.277 +20 13 23.59 V G96
2022-04-27 05:27:26 C 11 38 06.605 +20 13 44.80 V G96
2022-04-27 05:35:35 C 11 38 06.896 +20 14 06.07 V G96
2022-04-27 05:43:46 C 11 38 07.206 +20 14 26.88 V G96
2022-05-23 04:40:22 C 12 28 10.031 +39 32 24.68 V G96
2022-05-23 04:48:02 C 12 28 10.859 +39 32 32.60 V G96
2022-05-23 04:55:41 C 12 28 11.600 +39 32 41.60 V G96
2022-05-23 05:03:23 C 12 28 12.446 +39 32 50.32 V G96
2022-08-17 01:45:18 C 17 20 59.69 +27 00 52.1 u H21
2022-08-17 01:51:42 C 17 21 00.53 +27 00 43.0 u H21
2022-08-17 02:31:24 C 17 21 05.76 +26 59 45.5 u H21
2022-08-18 02:17:39 C 17 24 17.83 +26 25 25.0 u H21
2022-08-18 02:24:31 C 17 24 18.68 +26 25 15.3 u H21
2022-08-23 01:54:57 C 17 40 13.46 +23 29 59.1 u H21
2022-08-23 02:04:20 C 17 40 14.71 +23 29 45.0 u H21
2022-08-23 02:13:43 C 17 40 15.92 +23 29 31.3 u H21
2022-08-24 02:05:19 C 17 43 24.44 +22 54 10.7 u H21
2022-08-24 02:14:29 C 17 43 25.63 +22 53 56.5 u H21
2022-08-24 02:24:42 C 17 43 26.98 +22 53 40.8 u H21
2022-08-27 01:38:52 C 17 52 45.90 +21 07 58.4 u H21
2022-08-27 01:45:07 C 17 52 46.68 +21 07 48.9 u H21
2022-08-27 01:53:02 C 17 52 47.68 +21 07 37.1 u H21