855197 (2011 AO52)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5791702278 ± 1.25e-08
Semi-major axis (a)2.8108515163 AU ± 1.71e-08
Inclination (i)17.31862341° ± 2.73e-06
Long. of Asc. Node (Ω)161.45393335° ± 6.01e-06
Arg. of Perihelion (ω)14.95060663° ± 8.18e-06
Mean Anomaly (M)61.72050494° ± 6.82e-06
Mean Motion (n)0.2091488203°/day ± 1.91e-09
Perihelion dist (q)1.18289000 AU ± 3.58e-08
Aphelion dist (Q)4.43881303 AU ± 4.42e-08
Orbital Period4.71255961 yr ± 4.29e-08
Physical Parameters
H (abs. magnitude)18.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.252″
Uncertainty0
Orbit TypeAmor
MOID0.198151 AU
Observations Used356
Oppositions11
Arc Total2011-2025
First Observation Used2011-01-14
Last Observation Used2025-07-02
Observations (389)
Date Type RA Dec Mag Band Observatory
2011-01-17 18:23:23 C 11 03 35.56 -22 53 51.7 o 300
2011-01-19 04:09:12 C 11 09 37.90 -23 02 20.5 o 844
2011-01-19 04:11:55 C 11 09 38.39 -23 02 21.7 o 844
2011-01-19 04:12:50 C 11 09 38.46 -23 02 21.8 o 844
2011-01-19 04:13:42 C 11 09 38.63 -23 02 21.7 o 844
2011-01-19 04:14:38 C 11 09 38.94 -23 02 22.6 o 844
2011-01-19 04:15:31 C 11 09 39.08 -23 02 23.0 o 844
2011-01-19 04:16:26 C 11 09 39.13 -23 02 22.8 o 844
2011-01-19 04:18:14 C 11 09 39.49 -23 02 23.4 o 844
2011-01-19 04:19:09 C 11 09 39.68 -23 02 23.0 o 844
2011-01-19 04:20:02 C 11 09 39.81 -23 02 24.2 o 844
2011-01-19 04:20:58 C 11 09 40.01 -23 02 23.2 o 844
2011-01-19 04:21:51 C 11 09 40.12 -23 02 23.5 o 844
2011-01-21 08:22:25 C 11 19 20.89 -23 12 44.8 o H21
2011-01-21 08:26:29 C 11 19 21.65 -23 12 45.2 o H21
2011-01-21 08:30:32 C 11 19 22.41 -23 12 45.9 o H21
2011-01-21 08:34:36 C 11 19 23.16 -23 12 46.5 o H21
2011-01-21 08:38:48 C 11 19 23.92 -23 12 47.2 o H21
2011-01-27 13:46:50 C 11 50 04.48 -23 10 32.2 o 474
2011-01-27 13:48:39 C 11 50 04.85 -23 10 31.8 o 474
2011-01-27 13:50:19 C 11 50 05.23 -23 10 31.5 o 474
2011-01-27 15:05:16 C 11 50 22.02 -23 10 20.3 r D96
2011-01-27 15:25:50 C 11 50 26.48 -23 10 16.6 r D96
2011-01-27 15:51:32 C 11 50 32.04 -23 10 12.5 r D96
2011-01-27 16:05:41 C 11 50 35.10 -23 10 09.9 u D90
2011-01-27 16:10:42 C 11 50 36.18 -23 10 08.8 u D90
2011-01-27 16:14:51 C 11 50 37.05 -23 10 08.1 u D90
2011-01-27 16:19:03 C 11 50 37.96 -23 10 07.7 u D90
2011-01-27 16:24:02 C 11 50 39.05 -23 10 06.5 u D90
2011-01-28 18:34:34 C 11 56 29.44 -23 04 31.7 o 300
2011-01-28 18:38:58 C 11 56 30.42 -23 04 30.6 o 300
2011-01-28 18:43:24 C 11 56 31.41 -23 04 29.1 o 300
2011-01-30 11:07:59 C 12 05 48.75 -22 51 26.3 o H21
2011-01-30 11:12:35 C 12 05 49.81 -22 51 24.2 o H21
2011-01-30 11:17:10 C 12 05 50.85 -22 51 22.6 o H21
2011-01-30 11:21:45 C 12 05 51.91 -22 51 20.7 o H21
2011-01-31 10:43:05 C 12 11 23.35 -22 41 34.7 o H21
2011-01-31 10:47:24 C 12 11 24.35 -22 41 32.6 o H21
2011-01-31 10:51:42 C 12 11 25.34 -22 41 30.7 o H21
2011-01-31 10:56:01 C 12 11 26.35 -22 41 28.6 o H21
2011-01-31 11:00:03 C 12 11 27.29 -22 41 26.6 o H21
2011-01-31 11:03:59 C 12 11 28.20 -22 41 24.6 o H21
2011-02-02 02:05:09 C 12 20 56.46 -22 21 14.9 o 046
2011-02-02 02:07:41 C 12 20 57.02 -22 21 13.7 o 046
2011-02-02 02:10:12 C 12 20 57.61 -22 21 11.7 o 046
2011-02-02 02:11:28 C 12 20 57.88 -22 21 11.1 o 046
2011-02-02 02:12:47 C 12 20 58.26 -22 21 10.3 o 046
2011-02-08 10:51:34 C 13 00 26.19 -20 10 56.3 o H21
2011-02-08 10:57:06 C 13 00 27.64 -20 10 49.8 o H21
2011-02-08 11:02:38 C 13 00 29.09 -20 10 43.5 o H21