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
2018-01-16 11:40:35 C 07 36 17.25 +48 30 09.9 U T08
2018-01-16 11:54:48 C 07 36 16.87 +48 31 03.4 U T08
2018-01-16 12:10:03 C 07 36 16.47 +48 32 00.2 U T08
2018-01-17 06:20:52 C 07 36 01.75 +49 39 27.1 U 703
2018-01-17 06:28:40 C 07 36 01.57 +49 39 55.7 U 703
2018-01-17 06:36:27 C 07 36 01.35 +49 40 24.1 U 703
2018-01-17 06:44:16 C 07 36 01.12 +49 40 52.6 U 703
2018-01-21 23:27:58 C 07 34 27.63 +55 46 24.0 U 130
2018-01-21 23:31:00 C 07 34 27.58 +55 46 32.6 U 130
2018-01-21 23:34:48 C 07 34 27.51 +55 46 43.4 U 130
2018-01-21 23:39:21 C 07 34 27.39 +55 46 56.1 U 130
2018-01-22 04:32:12 C 07 34 25.94 +56 00 50.0 U 703
2018-01-22 04:39:53 C 07 34 25.81 +56 01 11.9 U 703
2018-01-22 04:47:34 C 07 34 25.61 +56 01 34.2 U 703
2018-01-22 04:55:15 C 07 34 25.48 +56 01 56.0 U 703
2018-01-25 02:37:17 C 07 33 46.80 +59 02 58.7 q I15
2018-01-25 02:41:30 C 07 33 46.75 +59 03 08.7 q I15
2018-01-25 02:46:45 C 07 33 46.64 +59 03 21.5 q I15
2018-01-25 04:50:50 C 07 33 46.30 +59 08 19.3 U 703
2018-01-25 04:58:25 C 07 33 46.16 +59 08 37.5 U 703
2018-01-25 05:05:59 C 07 33 45.91 +59 08 56.0 U 703
2018-01-25 05:13:35 C 07 33 45.87 +59 09 13.6 U 703
2018-01-27 03:20:07 C 07 33 34.35 +60 52 21.7 o 926
2018-01-27 03:30:10 C 07 33 34.23 +60 52 43.6 o 926
2018-01-27 03:40:54 C 07 33 34.15 +60 53 06.3 o 926
2018-01-29 09:08:05 C 07 33 33.341 +62 38 29.43 U F51
2018-01-29 09:27:03 C 07 33 33.154 +62 39 04.21 U F51
2018-01-29 09:45:58 C 07 33 32.976 +62 39 38.85 U F51
2018-01-29 10:04:54 C 07 33 32.796 +62 40 13.25 U F51
2018-01-30 04:15:23 C 07 33 39.26 +63 12 36.6 o 926
2018-01-30 04:26:50 C 07 33 39.19 +63 12 57.0 o 926
2018-01-30 04:38:21 C 07 33 39.11 +63 13 17.4 o 926
2018-01-31 04:06:31 C 07 33 48.81 +63 52 53.5 o 926
2018-01-31 04:18:59 C 07 33 48.80 +63 53 14.2 o 926
2018-01-31 04:31:23 C 07 33 48.81 +63 53 34.9 o 926
2018-02-01 05:54:25 C 07 34 02.55 +64 33 39.2 o 926
2018-02-01 06:09:50 C 07 34 02.51 +64 34 02.9 o 926
2018-02-01 06:26:53 C 07 34 02.55 +64 34 28.8 o 926
2018-02-03 08:24:42 C 07 34 47.233 +65 45 23.90 U F51
2018-02-03 08:43:36 C 07 34 47.336 +65 45 49.02 U F51
2018-02-03 09:02:30 C 07 34 47.426 +65 46 13.94 U F51
2018-02-03 09:21:23 C 07 34 47.521 +65 46 38.81 U F51
2018-02-03 23:26:52 C 07 35 03.12 +66 04 41.4 U 204
2018-02-03 23:35:24 C 07 35 03.25 +66 04 52.3 U 204
2018-02-03 23:43:55 C 07 35 03.36 +66 05 02.8 U 204
2018-02-04 04:43:38 C 07 35 11.35 +66 11 22.7 U 703
2018-02-04 04:51:23 C 07 35 11.42 +66 11 32.9 U 703
2018-02-04 04:59:08 C 07 35 11.52 +66 11 42.8 U 703
2018-02-04 05:06:55 C 07 35 11.59 +66 11 52.4 U 703
2018-03-10 05:57:47 C 08 38 22.665 +70 11 21.78 U F51