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
2018-03-10 06:13:51 C 08 38 24.361 +70 11 16.92 U F51
2018-03-10 06:29:49 C 08 38 26.012 +70 11 12.08 U F51
2018-03-10 06:45:46 C 08 38 27.680 +70 11 07.26 U F51
2018-05-14 02:20:59 C 11 08 20.49 +50 24 44.1 u H21
2018-05-14 02:39:20 C 11 08 21.86 +50 24 25.4 u H21
2018-05-14 03:06:51 C 11 08 23.90 +50 23 59.0 u H21
2024-11-10 14:41:14 C 10 43 11.931 +12 00 59.57 X F52
2024-11-10 14:44:06 C 10 43 12.371 +12 01 00.91 X F52
2024-11-10 14:47:55 C 10 43 12.934 +12 01 02.78 X F52
2024-11-10 14:50:47 C 10 43 13.373 +12 01 04.02 X F52
2024-11-10 14:54:36 C 10 43 13.937 +12 01 05.68 X F52
2024-11-10 14:57:28 C 10 43 14.374 +12 01 07.10 X F52
2024-11-10 15:01:18 C 10 43 14.946 +12 01 08.79 X F52
2024-11-10 15:04:12 C 10 43 15.389 +12 01 10.02 X F52
2024-12-22 12:39:27 C 13 10 12.205 +20 34 31.33 V G96
2024-12-22 12:48:59 C 13 10 13.483 +20 34 36.37 V G96
2024-12-22 12:58:30 C 13 10 14.704 +20 34 42.10 V G96
2024-12-22 13:08:04 C 13 10 15.924 +20 34 47.46 V G96
2025-01-02 12:27:12 C 13 43 42.150 +23 13 08.18 V G96
2025-01-02 12:34:44 C 13 43 43.057 +23 13 13.22 V G96
2025-01-02 12:42:17 C 13 43 43.928 +23 13 18.05 V G96
2025-01-02 12:49:47 C 13 43 44.836 +23 13 22.80 V G96
2025-01-03 15:14:17 C 13 46 54.513 +23 29 57.63 X F52
2025-01-03 15:25:22 C 13 46 55.811 +23 30 04.62 X F52
2025-01-03 15:47:31 C 13 46 58.386 +23 30 18.70 X F52
2025-01-13 22:58:23 C 14 14 35.398 +26 11 08.83 O18
2025-01-13 22:59:42 C 14 14 35.528 +26 11 09.79 O18
2025-02-06 13:44:04 C 15 02 09.471 +32 57 32.74 X F52
2025-02-06 14:01:24 C 15 02 10.515 +32 57 45.73 X F52
2025-02-06 14:18:48 C 15 02 11.523 +32 57 59.06 X F52
2025-02-06 14:36:12 C 15 02 12.572 +32 58 12.42 X F52
2025-02-09 12:07:54 C 15 06 16.114 +33 50 33.18 V G96
2025-02-09 12:15:20 C 15 06 16.510 +33 50 38.29 V G96
2025-02-09 12:22:45 C 15 06 16.909 +33 50 44.23 V G96
2025-02-09 12:30:11 C 15 06 17.305 +33 50 49.56 V G96
2025-02-10 15:00:10 C 15 07 43.522 +34 10 51.84 X F51
2025-02-10 15:15:26 C 15 07 44.291 +34 11 03.31 X F51
2025-02-10 15:30:51 C 15 07 45.068 +34 11 15.29 X F51
2025-02-10 15:46:37 C 15 07 45.859 +34 11 27.07 X F51
2025-02-14 15:04:51 C 15 12 23.861 +35 23 29.07 X F51
2025-02-14 15:19:14 C 15 12 24.478 +35 23 40.06 X F51
2025-02-14 15:33:53 C 15 12 25.075 +35 23 51.26 X F51
2025-02-17 14:34:46 C 15 15 19.313 +36 17 25.84 X F51
2025-02-17 14:50:06 C 15 15 19.862 +36 17 37.55 X F51
2025-02-17 15:21:11 C 15 15 20.942 +36 18 00.95 X F51
2025-02-24 11:35:47 C 15 20 10.554 +38 20 22.88 V G96
2025-02-24 11:43:12 C 15 20 10.712 +38 20 27.92 V G96
2025-02-24 11:50:37 C 15 20 10.806 +38 20 33.83 V G96
2025-02-24 11:58:03 C 15 20 10.936 +38 20 39.37 V G96
2025-03-18 11:01:04 C 15 16 54.642 +44 00 04.43 V G96