2011 CU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4141505855 ± 5.69e-06
Semi-major axis (a)1.9709267618 AU ± 5.38e-08
Inclination (i)34.51313519° ± 7.98e-05
Long. of Asc. Node (Ω)146.92275464° ± 2.18e-05
Arg. of Perihelion (ω)260.87000107° ± 5.91e-04
Mean Anomaly (M)172.53273912° ± 1.79e-04
Mean Motion (n)0.3562103601°/day ± 1.46e-08
Perihelion dist (q)1.15466629 AU ± 1.12e-05
Aphelion dist (Q)2.78718723 AU ± 1.12e-05
Orbital Period2.76697815 yr ± 1.13e-07
Physical Parameters
H (abs. magnitude)20.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.425″
Uncertainty0
Orbit TypeAmor
MOID0.416993 AU
Observations Used47
Oppositions7
Arc Total2011-2022
First Observation Used2011-02-04
Last Observation Used2022-02-27
Observations (48)
Date Type RA Dec Mag Band Observatory
2011-02-04 11:11:22 C 10 20 38.907 +04 40 26.76 L F51
2011-02-04 11:32:08 C 10 20 37.796 +04 41 04.20 L F51
2011-02-04 11:52:54 C 10 20 36.638 +04 41 41.68 L F51
2011-02-05 09:21:36 C 10 19 30.21 +05 20 22.2 r G96
2011-02-05 09:26:46 C 10 19 29.91 +05 20 31.4 r G96
2011-02-05 09:29:21 C 10 19 29.83 +05 20 36.0 r G96
2011-02-06 07:42:30 C 10 18 20.55 +06 00 41.9 c 926
2011-02-06 07:48:52 C 10 18 20.14 +06 00 53.0 c 926
2011-02-06 07:55:14 C 10 18 19.85 +06 01 05.3 c 926
2011-02-06 08:20:47 C 10 18 18.42 +06 01 49.9 c 926
2011-02-06 08:27:10 C 10 18 18.12 +06 02 02.5 c 926
2011-02-06 08:33:32 C 10 18 17.72 +06 02 14.1 c 926
2011-02-06 09:05:04 C 10 18 15.97 +06 03 09.6 o 291
2011-02-06 09:10:24 C 10 18 15.62 +06 03 19.9 o 291
2011-02-06 09:15:46 C 10 18 15.40 +06 03 29.2 o 291
2011-02-07 11:51:58 C 10 16 50.41 +06 51 28.1 o 291
2011-02-07 11:57:18 C 10 16 50.21 +06 51 37.4 o 291
2011-02-07 12:02:32 C 10 16 49.84 +06 51 48.3 o 291
2011-02-08 10:21:23 C 10 15 38.36 +07 31 58.7 c 926
2011-02-08 10:29:16 C 10 15 37.92 +07 32 12.1 c 926
2011-02-08 10:37:10 C 10 15 37.51 +07 32 26.5 c 926
2011-02-09 10:20:17 C 10 14 20.58 +08 15 00.1 o 291
2011-02-09 10:25:45 C 10 14 20.30 +08 15 10.4 o 291
2011-02-09 10:31:19 C 10 14 20.01 +08 15 20.4 o 291
2011-02-15 08:09:35 C 10 06 35.16 +12 23 37.1 o 291
2011-02-15 08:15:13 C 10 06 34.83 +12 23 46.6 o 291
2011-02-15 08:20:58 C 10 06 34.48 +12 23 57.4 o 291
2011-02-23 09:39:23 C 09 56 22.05 +17 32 32.5 o 291
2011-02-23 09:45:00 C 09 56 21.68 +17 32 42.2 o 291
2011-02-23 09:50:27 C 09 56 21.44 +17 32 48.7 o 291
2011-03-06 09:09:02 C 09 44 55.15 +23 10 03.1 o 291
2011-03-06 09:14:42 C 09 44 54.93 +23 10 10.0 o 291
2022-02-09 06:49:58 C 08 23 06.584 -00 43 06.81 U F52
2022-02-09 07:06:29 C 08 23 05.950 -00 42 28.30 U F52
2022-02-09 07:23:03 C 08 23 05.308 -00 41 49.60 U F52
2022-02-09 07:39:40 C 08 23 04.656 -00 41 10.86 U F52
2022-02-09 10:14:02 C 08 22 58.550 -00 35 10.95 V F52
2022-02-09 10:15:12 C 08 22 58.497 -00 35 08.33 V F52
2022-02-09 21:27:29 C 08 22 35.00 -00 09 11.6 V L01
2022-02-09 21:31:59 C 08 22 34.86 -00 09 01.6 V L01
2022-02-09 21:36:28 C 08 22 34.73 -00 08 51.2 V L01
2022-02-09 21:40:58 C 08 22 34.58 -00 08 40.7 V L01
2022-02-09 21:46:36 C 08 22 34.33 -00 08 27.5 V L01
2022-02-10 01:14:03 C 08 22 27.52 -00 00 10.8 V 807
2022-02-10 01:19:40 C 08 22 27.30 +00 00 02.6 V 807
2022-02-10 01:26:11 C 08 22 27.05 +00 00 17.5 V 807
2022-02-27 02:14:51 C 08 14 36.32 +13 25 34.8 u H21
2022-02-27 02:22:27 C 08 14 36.28 +13 25 46.9 u H21