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
2011-03-04 19:58:42 C 15 34 12.76 -00 46 25.7 m 355
2011-03-05 12:05:49 C 15 37 41.88 -00 09 03.8 r 703
2011-03-05 12:13:02 C 15 37 43.42 -00 08 47.6 r 703
2011-03-05 12:20:19 C 15 37 44.90 -00 08 29.8 r 703
2011-03-05 12:27:39 C 15 37 46.45 -00 08 14.0 r 703
2011-03-08 03:48:38 C 15 50 50.55 +02 15 27.9 r 106
2011-03-08 04:00:50 C 15 50 52.88 +02 15 55.0 r 106
2011-03-08 04:13:03 C 15 50 55.26 +02 16 22.6 r 106
2011-03-08 04:25:14 C 15 50 57.60 +02 16 49.6 r 106
2011-03-11 08:26:47 C 16 05 20.67 +05 01 37.4 u H45
2011-03-11 08:28:35 C 16 05 20.97 +05 01 41.4 u H45
2011-03-11 08:30:09 C 16 05 21.25 +05 01 44.6 u H45
2011-03-11 08:32:20 C 16 05 21.64 +05 01 49.4 u H45
2011-03-11 08:35:29 C 16 05 22.20 +05 01 55.9 u H45
2011-03-11 08:37:43 C 16 05 22.57 +05 02 00.3 u H45
2011-03-16 10:57:02 C 16 25 31.49 +09 04 59.6 o H21
2011-03-16 11:00:50 C 16 25 32.04 +09 05 06.6 o H21
2011-03-16 11:03:02 C 16 25 32.35 +09 05 10.7 o H21
2011-03-16 11:04:40 C 16 25 32.57 +09 05 13.9 o H21
2011-03-17 17:53:43 C 16 30 05.22 +10 01 51.0 o 300
2011-03-17 18:01:12 C 16 30 06.23 +10 02 04.5 o 300
2011-03-17 18:08:40 C 16 30 07.27 +10 02 18.1 o 300
2011-03-17 18:16:07 C 16 30 08.31 +10 02 31.8 o 300
2011-03-23 02:33:01 C 16 46 43.34 +13 37 55.4 u 160
2011-03-23 02:36:09 C 16 46 43.73 +13 37 59.9 u 160
2011-03-23 02:39:14 C 16 46 43.98 +13 38 05.0 u 160
2011-03-27 09:07:40 C 16 57 31.38 +16 08 27.2 o 807
2011-03-27 09:12:15 C 16 57 31.78 +16 08 33.5 o 807
2011-03-27 09:20:53 C 16 57 32.56 +16 08 45.5 o 807
2011-03-27 09:37:50 C 16 57 34.47 +16 08 39.4 o H26
2011-03-27 09:40:19 C 16 57 34.62 +16 08 41.9 o H26
2011-03-27 09:42:52 C 16 57 34.93 +16 08 46.3 o H26
2011-03-27 09:45:24 C 16 57 35.13 +16 08 49.7 o H26
2011-03-28 00:21:34 C 16 58 57.84 +16 28 34.3 r 113
2011-03-28 00:32:33 C 16 58 58.83 +16 28 49.3 r 113
2011-03-28 00:43:31 C 16 58 59.78 +16 29 04.5 r 113
2011-03-28 17:05:28 C 17 00 28.88 +16 50 57.4 m 355
2011-03-28 17:09:37 C 17 00 29.17 +16 51 02.4 m 355
2011-03-28 17:12:45 C 17 00 29.46 +16 51 06.5 m 355
2011-03-28 17:13:47 C 17 00 29.54 +16 51 07.9 m 355
2011-03-30 02:01:48 C 17 03 18.72 +17 33 20.0 o 046
2011-03-30 02:11:50 C 17 03 19.51 +17 33 32.4 o 046
2011-03-30 02:13:52 C 17 03 19.69 +17 33 35.2 o 046
2011-03-30 02:15:32 C 17 03 19.79 +17 33 37.4 o 046
2011-03-30 02:17:12 C 17 03 19.93 +17 33 39.2 o 046
2011-03-30 03:16:06 C 17 03 24.56 +17 34 53.4 r 113
2011-03-30 03:24:50 C 17 03 25.23 +17 35 04.4 r 113
2011-03-30 03:35:43 C 17 03 26.09 +17 35 18.1 r 113
2011-04-02 23:56:49 C 17 10 20.02 +19 24 38.8 o 046
2011-04-02 23:58:51 C 17 10 20.15 +19 24 41.2 o 046