2012 CA55

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4795920887 ± 2.63e-08
Semi-major axis (a)1.8013730398 AU ± 1.35e-08
Inclination (i)8.63782766° ± 6.80e-06
Long. of Asc. Node (Ω)175.88075966° ± 9.16e-06
Arg. of Perihelion (ω)41.52173314° ± 1.71e-05
Mean Anomaly (M)221.58698981° ± 2.52e-05
Mean Motion (n)0.4076681554°/day ± 4.60e-09
Perihelion dist (q)0.93744878 AU ± 4.78e-08
Aphelion dist (Q)2.66529730 AU ± 5.14e-08
Orbital Period2.41771713 yr ± 2.73e-08
Physical Parameters
H (abs. magnitude)21.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.441″
Uncertainty0
Orbit TypeApollo
MOID0.013589 AU
Observations Used154
Oppositions7
Arc Total2012-2024
First Observation Used2012-02-01
Last Observation Used2024-06-01
Observations (156)
Date Type RA Dec Mag Band Observatory
2012-02-01 06:27:48 C 09 06 20.55 -06 30 13.7 r G96
2012-02-01 06:39:28 C 09 06 20.12 -06 30 15.1 r G96
2012-02-01 06:51:16 C 09 06 19.58 -06 30 16.6 r G96
2012-02-01 07:03:04 C 09 06 19.08 -06 30 18.5 r G96
2012-02-26 06:58:12 C 08 30 23.18 -03 09 11.4 r 703
2012-02-26 07:08:09 C 08 30 22.24 -03 09 01.2 r 703
2012-02-26 07:18:14 C 08 30 21.27 -03 08 51.7 r 703
2012-02-26 07:28:16 C 08 30 20.37 -03 08 42.2 r 703
2012-02-26 08:17:25 C 08 30 15.76 -03 07 52.2 r 703
2012-02-26 08:21:40 C 08 30 15.48 -03 07 48.2 r 703
2012-02-26 08:26:00 C 08 30 14.97 -03 07 44.5 r 703
2012-02-26 08:30:15 C 08 30 14.61 -03 07 38.6 r 703
2012-02-26 10:11:29 C 08 30 08.45 -03 05 00.2 o 474
2012-02-26 10:14:30 C 08 30 08.15 -03 04 57.1 o 474
2012-02-26 10:16:59 C 08 30 07.98 -03 04 54.5 o 474
2012-02-26 12:13:48 C 08 29 58.65 -03 03 54.7 o 300
2012-02-26 12:23:27 C 08 29 57.70 -03 03 45.8 o 300
2012-02-26 12:27:17 C 08 29 57.31 -03 03 42.0 o 300
2012-02-26 12:31:07 C 08 29 56.93 -03 03 37.8 o 300
2012-02-26 12:34:56 C 08 29 56.60 -03 03 33.3 o 300
2012-02-26 20:07:42 C 08 29 18.71 -02 55 55.2 u 118
2012-02-26 20:17:59 C 08 29 17.76 -02 55 45.3 u 118
2012-02-26 20:54:52 C 08 29 15.00 -02 55 05.2 v I93
2012-02-26 21:16:50 C 08 29 12.97 -02 54 42.1 v I93
2012-02-26 21:41:30 C 08 29 10.65 -02 54 16.2 v I93
2012-02-27 00:13:14 C 08 28 59.37 -02 50 38.7 o 807
2012-02-27 00:21:23 C 08 28 58.58 -02 50 30.0 o 807
2012-02-27 00:23:20 C 08 28 58.15 -02 50 27.2 u I19
2012-02-27 00:29:32 C 08 28 57.82 -02 50 21.4 o 807
2012-02-27 00:36:12 C 08 28 57.18 -02 50 14.5 o 807
2012-02-27 00:38:03 C 08 28 56.73 -02 50 11.8 u I19
2012-02-27 00:45:36 C 08 28 56.02 -02 50 03.5 u I19
2012-02-27 03:05:49 C 08 28 44.66 -02 48 25.0 o 291
2012-02-27 03:08:21 C 08 28 44.43 -02 48 22.5 o 291
2012-02-27 03:10:52 C 08 28 44.17 -02 48 19.7 o 291
2012-02-27 04:07:09 C 08 28 37.75 -02 47 25.3 r H21
2012-02-27 04:13:00 C 08 28 37.13 -02 47 19.3 r H21
2012-02-27 04:18:56 C 08 28 36.61 -02 47 12.2 r H21
2012-02-27 04:57:26 C 08 28 33.27 -02 46 30.6 u H36
2012-02-27 05:08:07 C 08 28 32.26 -02 46 18.9 u H36
2012-02-27 05:29:30 C 08 28 30.14 -02 45 56.2 u H36
2012-02-27 05:40:13 C 08 28 29.16 -02 45 44.7 u H36
2012-02-27 06:46:21 C 08 28 23.41 -02 44 29.4 c 854
2012-02-27 06:59:24 C 08 28 22.17 -02 44 15.0 c 854
2012-02-27 21:18:44 C 08 27 09.63 -02 28 36.2 u 595
2012-02-27 21:25:22 C 08 27 08.98 -02 28 28.6 u 595
2012-02-27 23:39:41 C 08 26 56.33 -02 25 55.9 u 204
2012-02-27 23:55:58 C 08 26 54.79 -02 25 37.2 u 204
2012-03-03 04:35:17 C 08 17 45.54 -00 11 19.5 o 291
2012-03-03 04:36:58 C 08 17 45.39 -00 11 16.8 o 291