2011 CA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2830853084 ± 2.00e+00
Semi-major axis (a)1.3007148062 AU ± 3.00e+00
Inclination (i)2.28740751° ± 4.00e+00
Long. of Asc. Node (Ω)127.57858289° ± 5.00e+00
Arg. of Perihelion (ω)322.34158375° ± 6.00e+00
Mean Anomaly (M)13.97091096° ± 1.48e-01
Mean Motion (n)0.6644070600°/day ± 2.30e+00
Perihelion dist (q)0.93249840 AU ± 3.38e+00
Aphelion dist (Q)1.66891800 AU ± 4.65e+00
Orbital Period1.48343940 yr ± 5.13e+00
Physical Parameters
H (abs. magnitude)27.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.708″
Uncertainty3
Orbit TypeApollo
MOID0.002094 AU
Observations Used30
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-02-10
Observations (32)
Date Type RA Dec Mag Band Observatory
2011-02-05 10:15:30 C 11 05 39.51 +25 16 27.5 r 703
2011-02-05 10:30:30 C 11 05 37.89 +25 15 46.1 r 703
2011-02-05 10:45:33 C 11 05 36.38 +25 15 03.2 r 703
2011-02-05 11:00:37 C 11 05 34.87 +25 14 20.0 r 703
2011-02-05 13:15:53 C 11 05 25.12 +25 07 28.0 r 703
2011-02-05 13:17:03 C 11 05 25.08 +25 07 25.4 r 703
2011-02-05 14:26:49 C 11 06 11.36 +25 04 52.9 o 300
2011-02-05 14:31:09 C 11 06 11.03 +25 04 43.9 o 300
2011-02-05 14:39:48 C 11 06 10.29 +25 04 27.2 o 300
2011-02-05 14:44:08 C 11 06 09.96 +25 04 17.9 o 300
2011-02-05 21:45:31 C 11 06 18.26 +24 46 04.1 u 118
2011-02-05 21:49:48 C 11 06 18.05 +24 45 56.0 u 118
2011-02-05 21:54:06 C 11 06 17.77 +24 45 47.9 u 118
2011-02-05 21:58:22 C 11 06 17.57 +24 45 40.9 u 118
2011-02-05 22:02:39 C 11 06 17.36 +24 45 33.0 u 118
2011-02-05 22:06:55 C 11 06 17.01 +24 45 24.9 u 118
2011-02-05 23:55:29 C 11 06 11.66 +24 42 15.8 u 595
2011-02-06 00:15:08 C 11 06 10.14 +24 41 37.3 u 595
2011-02-07 08:58:15 C 11 06 31.54 +23 46 09.2 20.5 c 704
2011-02-07 09:19:24 C 11 06 29.74 +23 45 40.6 20.6 c 704
2011-02-07 09:39:50 C 11 06 28.03 +23 45 10.5 20.3 c 704
2011-02-07 10:01:38 C 11 06 26.09 +23 44 36.7 20.2 c 704
2011-02-08 09:41:53 C 11 06 30.89 +23 14 27.7 o H21
2011-02-08 09:50:10 C 11 06 30.36 +23 14 16.2 o H21
2011-02-08 09:56:59 C 11 06 29.96 +23 14 07.5 o H21
2011-02-10 01:42:54 C 11 06 39.36 +22 37 05.3 v 204
2011-02-10 02:02:55 C 11 06 38.18 +22 36 48.6 v 204
2011-02-10 02:30:04 C 11 06 36.62 +22 36 25.4 v 204
2011-02-10 08:36:53 C 11 06 36.62 +22 32 15.4 o H21
2011-02-10 08:43:57 C 11 06 36.19 +22 32 09.3 o H21
2011-02-10 09:07:19 C 11 06 34.75 +22 31 50.1 o H21
2011-02-10 09:09:58 C 11 06 34.61 +22 31 47.7 o H21