504928 (2011 CO2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4526754675 ± 2.32e-08
Semi-major axis (a)2.2673582685 AU ± 6.13e-09
Inclination (i)32.45365147° ± 4.07e-06
Long. of Asc. Node (Ω)104.06737877° ± 1.97e-06
Arg. of Perihelion (ω)352.88013238° ± 8.63e-06
Mean Anomaly (M)112.89206705° ± 5.01e-06
Mean Motion (n)0.2886902075°/day ± 1.17e-09
Perihelion dist (q)1.24098080 AU ± 5.26e-08
Aphelion dist (Q)3.29373573 AU ± 5.33e-08
Orbital Period3.41413133 yr ± 1.38e-08
Physical Parameters
H (abs. magnitude)18.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.155″
Uncertainty0
Orbit TypeAmor
MOID0.259561 AU
Observations Used229
Oppositions10
Arc Total2011-2025
First Observation Used2011-02-01
Last Observation Used2025-04-27
Observations (256)
Date Type RA Dec Mag Band Observatory
2017-12-31 21:11:43 C 07 40 19.34 +18 16 46.7 U K74
2017-12-31 21:14:46 C 07 40 19.32 +18 17 03.1 U K74
2018-01-05 13:50:05 C 07 39 40.54 +28 16 41.9 U T05
2018-01-05 14:06:32 C 07 39 40.29 +28 18 08.1 U T05
2018-01-05 14:39:11 C 07 39 39.82 +28 20 58.2 U T05
2018-01-06 02:45:41 C 07 39 36.93 +29 24 28.6 U W34
2018-01-06 03:00:32 C 07 39 36.72 +29 25 46.8 U W34
2018-01-06 03:10:43 C 07 39 36.57 +29 26 40.5 U W34
2018-01-07 13:03:43 C 07 39 14.14 +32 22 23.2 U T08
2018-01-07 13:21:38 C 07 39 13.80 +32 23 54.1 U T08
2018-01-07 13:29:45 C 07 39 13.66 +32 24 35.3 U T08
2018-01-07 13:39:34 C 07 39 13.47 +32 25 24.9 U T08
2018-01-07 13:47:40 C 07 39 13.32 +32 26 06.1 U T08
2018-01-07 13:57:10 C 07 39 13.16 +32 26 54.5 U T08
2018-01-07 14:05:09 C 07 39 13.02 +32 27 34.8 U T08
2018-01-07 14:22:57 C 07 39 12.71 +32 29 04.8 U T08
2018-01-08 13:54:33 C 07 38 57.26 +34 28 13.5 U T08
2018-01-08 14:07:36 C 07 38 57.02 +34 29 18.5 U T08
2018-01-08 14:28:02 C 07 38 56.64 +34 30 59.7 U T08
2018-01-08 22:03:08 C 07 38 53.66 +35 08 42.3 t L04
2018-01-08 22:06:49 C 07 38 53.60 +35 09 00.8 t L04
2018-01-08 22:12:44 C 07 38 53.49 +35 09 30.3 t L04
2018-01-08 22:17:11 C 07 38 53.41 +35 09 52.5 t L04
2018-01-08 22:21:37 C 07 38 53.30 +35 10 14.6 t L04
2018-01-08 22:26:47 C 07 38 53.20 +35 10 40.1 t L04
2018-01-09 07:56:03 C 07 38 46.09 +35 57 43.0 U G96
2018-01-09 08:03:33 C 07 38 45.93 +35 58 19.9 U G96
2018-01-09 08:11:04 C 07 38 45.77 +35 58 56.8 U G96
2018-01-09 08:18:35 C 07 38 45.60 +35 59 33.8 U G96
2018-01-10 02:31:14 C 07 38 33.41 +37 28 06.8 q I15
2018-01-10 02:32:21 C 07 38 33.39 +37 28 11.8 q I15
2018-01-10 02:33:26 C 07 38 33.36 +37 28 17.2 q I15
2018-01-10 11:48:42 C 07 38 24.22 +38 12 51.9 U T05
2018-01-10 11:59:51 C 07 38 23.96 +38 13 44.8 U T05
2018-01-10 12:19:15 C 07 38 23.52 +38 15 16.8 U T05
2018-01-10 12:26:09 C 07 38 23.35 +38 15 49.2 U T05
2018-01-12 13:08:11 C 07 37 42.22 +42 00 20.8 U T08
2018-01-12 13:26:24 C 07 37 41.82 +42 01 41.3 U T08
2018-01-12 13:30:50 C 07 37 41.69 +42 02 00.9 U T08
2018-01-12 13:48:26 C 07 37 41.30 +42 03 17.8 U T08
2018-01-12 13:49:06 C 07 37 41.30 +42 03 20.9 U T08
2018-01-14 06:27:12 C 07 37 07.59 +44 58 27.7 U 703
2018-01-14 06:35:01 C 07 37 07.43 +44 59 01.4 U 703
2018-01-14 06:42:50 C 07 37 07.20 +44 59 33.3 U 703
2018-01-14 06:58:58 C 07 37 06.80 +45 00 40.6 U 703
2018-01-14 12:19:15 C 07 37 00.45 +45 22 51.4 U T05
2018-01-14 12:31:04 C 07 37 00.15 +45 23 39.9 U T05
2018-01-14 12:59:17 C 07 36 59.45 +45 25 34.6 U T05
2018-01-14 13:11:01 C 07 36 59.17 +45 26 22.4 U T05
2018-01-16 11:25:23 C 07 36 17.65 +48 29 13.0 U T08