2012 CA21

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6562390754 ± 1.25e-08
Semi-major axis (a)2.6634124911 AU ± 5.18e-09
Inclination (i)28.66220628° ± 6.51e-06
Long. of Asc. Node (Ω)127.87735663° ± 8.27e-06
Arg. of Perihelion (ω)35.88029291° ± 9.91e-06
Mean Anomaly (M)58.07305511° ± 2.76e-06
Mean Motion (n)0.2267538282°/day ± 6.62e-10
Perihelion dist (q)0.91557714 AU ± 3.33e-08
Aphelion dist (Q)4.41124784 AU ± 3.43e-08
Orbital Period4.34667979 yr ± 1.27e-08
Physical Parameters
H (abs. magnitude)19.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.256″
Uncertainty0
Orbit TypeApollo
MOID0.004442 AU
Observations Used229
Oppositions10
Arc Total2012-2025
First Observation Used2012-02-12
Last Observation Used2025-07-26
Observations (238)
Date Type RA Dec Mag Band Observatory
2012-02-19 01:07:50 C 03 05 04.54 +14 18 13.3 t H21
2012-02-19 01:21:56 C 03 05 04.11 +14 19 04.7 t H21
2012-02-19 02:38:11 C 03 05 02.17 +14 23 46.8 o 695
2012-02-19 02:39:38 C 03 05 02.11 +14 23 51.9 o 695
2012-02-19 02:40:39 C 03 05 02.08 +14 23 55.7 o 695
2012-02-19 18:50:41 C 03 04 36.97 +15 23 17.5 u J95
2012-02-19 19:10:05 C 03 04 36.38 +15 24 29.5 u J95
2012-02-20 00:27:53 C 03 04 27.99 +15 44 08.9 r H21
2012-02-20 00:37:52 C 03 04 27.66 +15 44 46.1 r H21
2012-02-20 00:43:46 C 03 04 27.48 +15 45 08.0 r H21
2012-02-21 02:39:12 C 03 03 45.18 +17 21 57.5 o 291
2012-02-21 02:42:23 C 03 03 45.08 +17 22 09.8 o 291
2012-02-21 02:45:36 C 03 03 44.98 +17 22 21.4 o 291
2012-02-21 20:26:09 C 03 03 15.13 +18 28 59.7 t 204
2012-02-21 20:53:57 C 03 03 14.27 +18 30 44.2 t 204
2012-02-22 02:14:28 C 03 03 05.22 +18 51 05.1 u H21
2012-02-22 02:30:40 C 03 03 04.64 +18 52 06.0 u H21
2012-02-22 02:35:44 C 03 03 04.50 +18 52 25.1 u H21
2012-02-23 02:16:36 C 03 02 23.24 +20 23 04.7 o 291
2012-02-23 02:18:18 C 03 02 23.20 +20 23 11.6 o 291
2012-02-23 02:19:58 C 03 02 23.14 +20 23 17.9 o 291
2012-02-24 02:22:37 C 03 01 38.83 +21 56 14.8 o 291
2012-02-24 02:24:19 C 03 01 38.75 +21 56 21.3 o 291
2012-02-24 02:26:00 C 03 01 38.68 +21 56 28.0 o 291
2012-02-24 03:03:14 C 03 01 37.34 +21 58 51.6 r G96
2012-02-24 03:11:32 C 03 01 37.05 +21 59 23.0 r G96
2012-02-24 03:19:48 C 03 01 36.73 +21 59 54.9 r G96
2012-02-24 03:28:05 C 03 01 36.51 +22 00 27.3 r G96
2012-02-25 02:36:15 C 03 00 51.73 +23 30 48.2 o 291
2012-02-25 02:38:26 C 03 00 51.65 +23 30 57.0 o 291
2012-02-25 02:40:37 C 03 00 51.56 +23 31 05.4 o 291
2012-02-26 00:54:58 C 03 00 06.19 +24 58 34.3 u H21
2012-02-26 01:07:35 C 03 00 05.66 +24 59 23.8 u H21
2012-02-26 01:11:35 C 03 00 05.53 +24 59 39.7 u H21
2012-02-27 00:41:07 C 02 59 14.72 +26 32 49.0 u H21
2012-02-27 00:43:02 C 02 59 14.64 +26 32 56.7 u H21
2012-02-27 00:54:25 C 02 59 14.19 +26 33 42.0 u H21
2012-02-28 00:45:04 C 02 58 19.19 +28 08 50.8 u H21
2012-02-28 00:50:25 C 02 58 18.96 +28 09 12.9 u H21
2012-02-28 01:02:16 C 02 58 18.46 +28 09 59.4 u H21
2012-03-02 00:54:56 C 02 55 08.44 +32 59 30.5 u H21
2012-03-02 01:06:25 C 02 55 07.80 +33 00 16.5 u H21
2012-03-02 01:13:41 C 02 55 07.40 +33 00 45.8 u H21
2012-03-03 02:50:45 C 02 53 49.09 +34 44 31.8 o 291
2012-03-03 02:52:22 C 02 53 49.03 +34 44 37.8 o 291
2012-03-03 02:53:57 C 02 53 48.94 +34 44 44.9 o 291
2012-04-21 10:09:33 C 19 49 19.61 +73 41 57.5 u H36
2012-04-21 10:21:12 C 19 49 14.81 +73 41 44.6 u H36
2012-04-21 10:27:06 C 19 49 12.16 +73 41 37.8 u H36
2012-04-27 08:21:28 C 19 00 40.19 +70 47 18.0 o 695