2011 CR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5386329000
Semi-major axis (a)2.3752518000 AU
Inclination (i)3.82552000°
Long. of Asc. Node (Ω)228.34225000°
Arg. of Perihelion (ω)172.15309000°
Mean Anomaly (M)49.27050000°
Mean Motion (n)0.2692400100°/day
Perihelion dist (q)1.09586300 AU
Aphelion dist (Q)3.65464060 AU
Orbital Period3.66070290 yr
Physical Parameters
H (abs. magnitude)21.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.440″
Uncertainty6
Orbit TypeAmor
MOID0.102796 AU
Observations Used23
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-02-13
Observations (30)
Date Type RA Dec Mag Band Observatory
2011-02-02 11:59:18 C 09 04 27.701 +07 39 37.24 L F51
2011-02-02 12:21:06 C 09 04 26.396 +07 39 44.32 L F51
2011-02-02 12:43:57 C 09 04 25.016 +07 39 52.51 L F51
2011-02-02 13:05:55 C 09 04 23.720 +07 39 59.72 L F51
2011-02-05 06:51:59 C 09 00 45.228 +08 02 31.84 t 568
2011-02-05 06:55:21 C 09 00 45.033 +08 02 32.95 t 568
2011-02-05 06:58:43 C 09 00 44.848 +08 02 34.13 t 568
2011-02-05 07:10:47 C 09 00 43.68 +08 02 36.3 r G96
2011-02-05 07:17:32 C 09 00 43.28 +08 02 38.9 r G96
2011-02-05 07:31:18 C 09 00 42.54 +08 02 42.2 r G96
2011-02-05 08:54:16 C 09 00 37.84 +08 03 11.7 o 291
2011-02-05 08:59:56 C 09 00 37.45 +08 03 15.4 o 291
2011-02-05 09:05:39 C 09 00 37.16 +08 03 16.0 o 291
2011-02-06 04:49:39 C 08 59 34.35 +08 10 01.5 c 926
2011-02-06 05:15:08 C 08 59 33.04 +08 10 10.6 c 926
2011-02-06 05:16:52 C 08 59 32.89 +08 10 11.6 o 291
2011-02-06 05:22:11 C 08 59 32.50 +08 10 13.4 o 291
2011-02-06 05:40:41 C 08 59 31.52 +08 10 19.2 c 926
2011-02-07 08:51:57 C 08 58 05.37 +08 19 34.7 o 291
2011-02-07 08:57:23 C 08 58 05.03 +08 19 38.4 o 291
2011-02-07 08:57:40 C 08 58 05.633 +08 19 40.33 o 568
2011-02-07 09:02:47 C 08 58 04.75 +08 19 40.8 o 291
2011-02-07 09:03:02 C 08 58 05.348 +08 19 42.13 o 568
2011-02-07 09:08:25 C 08 58 05.040 +08 19 44.06 o 568
2011-02-10 04:17:26 C 08 54 43.84 +08 42 23.1 o H21
2011-02-10 04:44:50 C 08 54 42.43 +08 42 32.6 o H21
2011-02-10 05:12:22 C 08 54 41.05 +08 42 42.0 o H21
2011-02-13 09:27:00 C 08 51 12.28 +09 07 51.6 o 291
2011-02-13 09:54:10 C 08 51 11.05 +09 07 59.9 o 291
2011-02-13 10:12:33 C 08 51 10.23 +09 08 05.8 o 291