2012 HA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1429928917 ± 3.58e-07
Semi-major axis (a)1.0711703141 AU ± 1.97e-09
Inclination (i)38.47250190° ± 4.54e-05
Long. of Asc. Node (Ω)199.55448418° ± 3.54e-06
Arg. of Perihelion (ω)211.91068210° ± 1.71e-04
Mean Anomaly (M)235.70090399° ± 2.35e-04
Mean Motion (n)0.8890465145°/day ± 2.45e-09
Perihelion dist (q)0.91800057 AU ± 3.83e-07
Aphelion dist (Q)1.22434005 AU ± 3.83e-07
Orbital Period1.10863298 yr ± 3.05e-09
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.324″
Uncertainty0
Orbit TypeApollo
MOID0.063488 AU
Observations Used120
Oppositions1
Arc Total2012-2022
First Observation Used2012-04-18
Last Observation Used2022-05-08
Observations (128)
Date Type RA Dec Mag Band Observatory
2012-04-18 04:43:03 C 11 47 55.39 +11 40 14.1 r 703
2012-04-18 04:51:10 C 11 47 55.21 +11 40 57.0 r 703
2012-04-18 04:59:19 C 11 47 55.06 +11 41 41.8 r 703
2012-04-18 05:07:24 C 11 47 54.92 +11 42 25.9 r 703
2012-04-18 05:45:42 C 11 47 54.63 +11 45 56.4 r 703
2012-04-18 05:46:42 C 11 47 54.70 +11 46 03.1 r 703
2012-04-18 05:47:42 C 11 47 54.70 +11 46 07.6 r 703
2012-04-18 05:48:40 C 11 47 54.67 +11 46 13.2 r 703
2012-04-18 06:07:04 C 11 47 54.41 +11 47 53.1 o H01
2012-04-18 06:16:43 C 11 47 54.34 +11 48 46.0 o H01
2012-04-18 06:28:22 C 11 47 54.24 +11 49 49.5 o H01
2012-04-18 06:43:32 C 11 47 54.13 +11 51 12.4 o H01
2012-04-18 07:24:12 C 11 47 53.88 +11 54 54.7 r 703
2012-04-18 07:25:14 C 11 47 53.95 +11 55 00.1 r 703
2012-04-18 07:26:13 C 11 47 53.95 +11 55 06.2 r 703
2012-04-18 07:27:14 C 11 47 53.84 +11 55 12.1 r 703
2012-04-19 04:50:23 C 11 47 57.02 +13 48 50.6 r H21
2012-04-19 04:55:06 C 11 47 57.01 +13 49 15.2 r H21
2012-04-19 05:00:29 C 11 47 57.00 +13 49 42.4 r H21
2012-04-19 05:26:11 C 11 47 57.62 +13 52 00.1 r G96
2012-04-19 05:30:21 C 11 47 57.58 +13 52 21.5 r G96
2012-04-19 05:34:30 C 11 47 57.55 +13 52 43.1 r G96
2012-04-19 05:38:36 C 11 47 57.55 +13 53 04.3 r G96
2012-04-19 05:43:00 C 11 47 57.06 +13 53 22.2 u H36
2012-04-19 05:58:18 C 11 47 56.94 +13 54 40.7 u H36
2012-04-20 00:17:28 C 11 48 01.38 +15 26 51.7 u J95
2012-04-20 00:24:27 C 11 48 01.30 +15 27 26.3 u J95
2012-04-20 00:34:23 C 11 48 01.35 +15 28 14.7 u J95
2012-04-20 09:45:01 C 11 48 05.64 +16 13 40.5 o 474
2012-04-20 09:50:05 C 11 48 05.60 +16 14 04.6 o 474
2012-04-20 09:55:10 C 11 48 05.60 +16 14 28.7 o 474
2012-04-20 10:00:14 C 11 48 05.61 +16 14 53.5 o 474
2012-04-20 12:18:45 C 11 48 06.30 +16 25 51.9 u D90
2012-04-20 12:26:29 C 11 48 06.24 +16 26 28.9 u D90
2012-04-20 12:34:14 C 11 48 06.21 +16 27 05.6 u D90
2012-04-23 03:43:55 C 11 48 40.40 +21 02 40.9 u H21
2012-04-23 03:49:46 C 11 48 40.42 +21 03 04.4 u H21
2012-04-23 04:01:42 C 11 48 40.45 +21 03 51.9 u H21
2012-04-24 04:18:46 C 11 48 59.43 +22 37 45.8 u H36
2012-04-24 04:39:25 C 11 48 59.57 +22 39 02.7 u H36
2012-04-24 04:54:27 C 11 48 59.67 +22 39 59.9 u H36
2012-04-24 05:12:28 C 11 48 59.56 +22 41 05.3 u H21
2012-04-24 05:19:17 C 11 48 59.63 +22 41 30.8 u H21
2012-04-24 05:26:06 C 11 48 59.71 +22 41 56.1 u H21
2012-05-01 07:19:28 C 11 52 32.41 +31 03 27.3 o 291
2012-05-01 07:21:35 C 11 52 32.50 +31 03 31.7 o 291
2012-05-01 07:23:42 C 11 52 32.59 +31 03 36.3 o 291
2012-05-13 06:16:33 C 12 02 43.26 +38 34 38.2 o 291
2012-05-13 06:21:47 C 12 02 43.48 +38 34 44.4 o 291
2012-05-13 06:27:00 C 12 02 43.67 +38 34 48.6 o 291