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
2011-04-03 00:02:37 C 17 10 20.38 +19 24 45.6 o 046
2011-04-03 00:04:30 C 17 10 20.50 +19 24 47.7 o 046
2011-04-03 00:06:26 C 17 10 20.62 +19 24 49.8 o 046
2011-04-03 00:08:21 C 17 10 20.74 +19 24 52.1 o 046
2011-04-09 01:39:54 C 17 18 17.27 +21 50 47.3 u B67
2011-04-09 01:47:50 C 17 18 17.59 +21 50 54.7 u B67
2011-04-09 01:55:44 C 17 18 17.88 +21 51 01.5 u B67
2011-04-09 08:31:45 C 17 18 34.92 +21 56 58.0 u H45
2011-04-09 08:33:26 C 17 18 34.99 +21 56 59.8 u H45
2011-04-09 08:35:19 C 17 18 35.08 +21 57 01.3 u H45
2011-04-09 08:42:09 C 17 18 35.32 +21 57 07.9 u H45
2011-04-09 08:45:01 C 17 18 35.40 +21 57 10.2 u H45
2011-04-09 08:47:36 C 17 18 35.51 +21 57 12.8 u H45
2011-04-10 03:08:59 C 17 19 20.09 +22 13 12.0 c A24
2011-04-10 03:10:02 C 17 19 20.13 +22 13 13.4 c A24
2011-04-10 03:11:04 C 17 19 20.12 +22 13 14.2 c A24
2011-04-11 01:53:26 C 17 20 11.99 +22 32 25.9 c A24
2011-04-11 01:54:28 C 17 20 12.03 +22 32 26.6 c A24
2011-04-11 01:55:31 C 17 20 12.07 +22 32 28.4 c A24
2011-04-16 07:18:48 C 17 23 38.62 +24 06 21.7 o 807
2011-04-16 07:25:09 C 17 23 38.69 +24 06 25.9 o 807
2011-04-16 07:31:30 C 17 23 38.78 +24 06 30.2 o 807
2011-04-16 07:37:52 C 17 23 38.86 +24 06 34.3 o 807
2011-04-17 21:54:38 C 17 24 17.83 +24 30 32.1 u B67
2011-04-17 22:10:01 C 17 24 18.03 +24 30 41.9 u B67
2011-04-17 22:24:33 C 17 24 18.21 +24 30 51.1 u B67
2011-04-19 01:27:21 C 17 24 38.01 +24 47 01.6 u 160
2011-04-19 01:30:16 C 17 24 38.00 +24 47 04.0 u 160
2011-04-19 01:33:12 C 17 24 38.03 +24 47 05.6 u 160
2011-04-19 08:27:29 C 17 24 41.93 +24 51 27.3 o 807
2011-04-19 08:31:13 C 17 24 41.95 +24 51 29.3 o 807
2011-04-19 08:34:58 C 17 24 41.96 +24 51 31.3 o 807
2011-04-20 01:29:06 C 17 24 51.50 +25 00 35.6 u 160
2011-04-20 01:32:09 C 17 24 51.53 +25 00 38.1 u 160
2011-04-20 01:34:52 C 17 24 51.49 +25 00 40.8 u 160
2011-04-20 06:19:38 C 17 24 54.03 +25 03 36.3 o 807
2011-04-20 06:26:21 C 17 24 54.04 +25 03 39.9 o 807
2011-04-20 06:31:48 C 17 24 54.06 +25 03 42.9 o 807
2011-04-21 01:32:06 C 17 25 01.00 +25 13 26.8 u 160
2011-04-21 01:33:53 C 17 25 00.98 +25 13 27.9 u 160
2011-04-21 01:36:39 C 17 25 00.95 +25 13 28.1 u 160
2011-04-22 01:42:21 C 17 25 06.41 +25 25 36.8 u 160
2011-04-22 01:44:49 C 17 25 06.39 +25 25 37.6 u 160
2011-04-22 01:49:02 C 17 25 06.36 +25 25 39.9 u 160
2011-04-26 00:12:28 C 17 24 50.55 +26 06 10.5 u B67
2011-04-26 00:20:41 C 17 24 50.48 +26 06 13.8 u B67
2011-04-26 00:29:00 C 17 24 50.39 +26 06 17.0 u B67
2011-04-26 09:42:17 C 17 24 45.46 +26 09 43.7 r 703
2011-04-26 09:49:43 C 17 24 45.43 +26 09 46.4 r 703
2011-04-26 09:57:15 C 17 24 45.32 +26 09 48.8 r 703