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
2012-02-12 02:53:07 C 03 09 12.27 +04 41 48.1 r 703
2012-02-12 03:06:20 C 03 09 11.84 +04 42 31.8 r 703
2012-02-12 03:17:53 C 03 09 11.48 +04 43 10.5 r 703
2012-02-12 03:29:24 C 03 09 11.19 +04 43 48.3 r 703
2012-02-12 04:36:49 C 03 09 09.25 +04 47 29.0 r 703
2012-02-12 04:38:38 C 03 09 09.25 +04 47 34.4 r 703
2012-02-12 18:12:01 C 03 08 49.58 +05 32 04.2 u 118
2012-02-12 18:26:20 C 03 08 49.27 +05 32 53.2 u 118
2012-02-12 19:45:08 C 03 08 47.11 +05 37 12.3 u I93
2012-02-12 20:07:13 C 03 08 46.60 +05 38 26.0 u I93
2012-02-12 20:26:52 C 03 08 45.99 +05 39 30.7 u I93
2012-02-13 00:24:39 C 03 08 40.60 +05 52 41.4 19.9 r H21
2012-02-13 00:33:21 C 03 08 40.33 +05 53 10.3 19.9 r H21
2012-02-13 00:40:07 C 03 08 40.15 +05 53 32.7 19.8 r H21
2012-02-13 00:40:25 C 03 08 39.56 +05 53 58.1 u I19
2012-02-13 00:46:45 C 03 08 39.49 +05 54 18.4 u I19
2012-02-13 00:56:33 C 03 08 39.14 +05 54 50.8 u I19
2012-02-13 02:52:54 C 03 08 36.63 +06 00 56.2 o 291
2012-02-13 02:54:18 C 03 08 36.60 +06 01 01.4 o 291
2012-02-13 02:55:42 C 03 08 36.56 +06 01 05.8 o 291
2012-02-13 07:49:04 C 03 08 28.79 +06 17 26.1 o F65
2012-02-13 07:50:27 C 03 08 28.76 +06 17 30.9 o F65
2012-02-13 07:51:51 C 03 08 28.72 +06 17 35.5 o F65
2012-02-13 07:53:11 C 03 08 28.68 +06 17 40.2 o F65
2012-02-13 07:54:34 C 03 08 28.64 +06 17 44.7 o F65
2012-02-13 16:40:50 C 03 08 16.37 +06 47 00.8 v B18
2012-02-13 16:45:46 C 03 08 16.21 +06 47 17.8 v B18
2012-02-13 16:57:34 C 03 08 15.90 +06 47 57.2 v B18
2012-02-13 17:02:30 C 03 08 15.73 +06 48 14.0 v B18
2012-02-14 00:27:19 C 03 08 04.77 +07 13 37.5 o 807
2012-02-14 00:34:44 C 03 08 04.55 +07 14 02.8 o 807
2012-02-14 00:42:08 C 03 08 04.33 +07 14 27.4 o 807
2012-02-14 00:49:29 C 03 08 04.12 +07 14 52.6 o 807
2012-02-14 00:55:33 C 03 08 03.95 +07 15 12.7 o 807
2012-02-16 21:18:00 C 03 06 23.15 +11 11 31.6 u J95
2012-02-16 21:42:15 C 03 06 22.43 +11 12 55.9 u J95
2012-02-17 00:23:13 C 03 06 18.55 +11 22 54.7 o 807
2012-02-17 00:32:21 C 03 06 18.26 +11 23 27.2 o 807
2012-02-17 00:36:05 C 03 06 18.15 +11 23 40.0 o 807
2012-02-17 00:38:56 C 03 06 18.06 +11 23 50.3 o 807
2012-02-17 00:49:53 C 03 06 18.15 +11 24 06.2 t H21
2012-02-17 00:57:22 C 03 06 17.91 +11 24 32.6 t H21
2012-02-17 01:04:51 C 03 06 17.69 +11 24 59.0 t H21
2012-02-18 00:36:44 C 03 05 42.36 +12 49 11.2 u H21
2012-02-18 00:41:48 C 03 05 42.20 +12 49 29.5 u H21
2012-02-18 00:51:54 C 03 05 41.90 +12 50 06.0 u H21
2012-02-18 19:19:46 C 03 05 13.61 +13 56 58.6 u J95
2012-02-18 19:30:55 C 03 05 13.36 +13 57 39.2 u J95
2012-02-18 19:51:48 C 03 05 12.72 +13 58 54.7 u J95
2012-02-19 00:54:17 C 03 05 04.97 +14 17 23.8 t H21