2012 HH31

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1373542000
Semi-major axis (a)1.1977348000 AU
Inclination (i)3.29305000°
Long. of Asc. Node (Ω)84.66413000°
Arg. of Perihelion (ω)75.35953000°
Mean Anomaly (M)172.46646000°
Mean Motion (n)0.7519052000°/day
Perihelion dist (q)1.03322090 AU
Aphelion dist (Q)1.36224870 AU
Orbital Period1.31081380 yr
Physical Parameters
H (abs. magnitude)23.79
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.740″
Uncertainty6
Orbit TypeAmor
MOID0.070297 AU
Observations Used39
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-05-27
Observations (40)
Date Type RA Dec Mag Band Observatory
2012-04-27 13:24:42 C 15 57 26.353 +05 44 25.97 L F51
2012-04-27 13:39:43 C 15 57 25.125 +05 44 06.81 L F51
2012-04-27 13:57:11 C 15 57 23.727 +05 43 45.01 L F51
2012-04-27 14:13:20 C 15 57 22.438 +05 43 24.66 L F51
2012-04-28 07:28:50 C 15 56 24.68 +05 21 43.1 o 291
2012-04-28 07:33:02 C 15 56 24.35 +05 21 38.0 o 291
2012-04-28 07:37:13 C 15 56 24.00 +05 21 32.8 o 291
2012-04-29 10:59:24 C 15 54 38.90 +04 47 11.6 o 291
2012-04-29 11:01:09 C 15 54 38.76 +04 47 09.3 o 291
2012-04-29 11:02:54 C 15 54 38.61 +04 47 07.3 o 291
2012-04-30 07:51:02 C 15 53 24.30 +04 20 46.7 o 291
2012-04-30 07:52:46 C 15 53 24.16 +04 20 44.5 o 291
2012-04-30 07:54:32 C 15 53 24.00 +04 20 42.3 o 291
2012-05-02 07:08:09 C 15 50 22.55 +03 20 04.6 o H21
2012-05-02 07:18:14 C 15 50 21.72 +03 19 51.6 o H21
2012-05-02 07:29:15 C 15 50 20.80 +03 19 37.7 o H21
2012-05-02 10:26:55 C 15 50 07.75 +03 15 57.1 o 291
2012-05-02 10:28:30 C 15 50 07.63 +03 15 55.3 o 291
2012-05-02 10:30:04 C 15 50 07.50 +03 15 52.9 o 291
2012-05-03 07:14:00 C 15 48 49.16 +02 48 56.9 u H21
2012-05-03 07:24:37 C 15 48 48.29 +02 48 43.0 u H21
2012-05-03 07:30:06 C 15 48 47.83 +02 48 35.7 u H21
2012-05-04 03:41:51 C 15 47 32.30 +02 23 54.0 o 807
2012-05-04 03:48:02 C 15 47 31.78 +02 23 45.8 o 807
2012-05-04 03:54:12 C 15 47 31.29 +02 23 37.8 o 807
2012-05-04 04:00:18 C 15 47 30.76 +02 23 29.6 o 807
2012-05-09 06:11:07 C 15 39 33.19 -00 15 49.5 o 807
2012-05-09 06:24:21 C 15 39 32.13 -00 16 06.5 o 807
2012-05-16 09:13:24 C 15 29 07.62 -03 55 53.5 o 291
2012-05-16 09:18:26 C 15 29 07.24 -03 55 59.7 o 291
2012-05-17 09:10:58 C 15 27 47.55 -04 25 39.1 r G96
2012-05-17 09:19:15 C 15 27 46.98 -04 25 49.1 r G96
2012-05-17 09:27:36 C 15 27 46.44 -04 25 58.9 r G96
2012-05-17 09:35:59 C 15 27 45.82 -04 26 09.5 r G96
2012-05-19 09:10:10 C 15 25 15.02 -05 24 19.3 o 291
2012-05-19 09:12:45 C 15 25 14.87 -05 24 22.1 o 291
2012-05-19 09:15:20 C 15 25 14.68 -05 24 25.3 o 291
2012-05-27 08:37:56 C 15 17 12.20 -09 03 54.8 o 291
2012-05-27 08:40:33 C 15 17 12.07 -09 03 57.5 o 291
2012-05-27 08:43:10 C 15 17 11.96 -09 04 00.2 o 291