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
2011-06-10 04:27:03 C 16 48 20.21 +21 11 34.5 o 691
2011-06-10 04:52:43 C 16 48 19.39 +21 11 14.1 o 691
2011-06-10 05:18:22 C 16 48 18.47 +21 10 54.4 o 691
2011-06-12 08:15:27 C 16 46 46.74 +20 30 06.8 u 703
2011-06-12 08:25:16 C 16 46 46.41 +20 29 59.2 u 703
2011-06-12 08:35:09 C 16 46 46.05 +20 29 50.1 u 703
2011-06-12 08:45:09 C 16 46 45.80 +20 29 43.1 u 703
2011-06-16 05:40:33 C 16 44 19.49 +19 12 10.5 o H21
2011-06-16 05:53:37 C 16 44 19.14 +19 11 59.3 o H21
2011-06-16 06:06:48 C 16 44 18.80 +19 11 48.0 o H21
2011-07-10 05:10:01 C 16 39 15.14 +10 36 33.6 t H21
2011-07-10 05:22:14 C 16 39 15.14 +10 36 23.4 t H21
2011-07-10 05:33:55 C 16 39 15.21 +10 36 12.9 t H21
2011-08-02 02:49:11 C 16 49 12.01 +03 04 56.5 o H21
2011-08-02 03:08:38 C 16 49 12.55 +03 04 41.6 o H21
2011-08-02 03:29:19 C 16 49 13.10 +03 04 26.3 o H21
2011-08-17 02:09:56 C 17 01 31.04 -01 00 34.9 o H21
2011-08-17 02:29:22 C 17 01 31.80 -01 00 46.8 o H21
2011-08-17 02:49:07 C 17 01 32.52 -01 00 59.6 o H21
2015-01-16 05:14:47 C 01 59 12.85 -06 26 30.4 1 T09
2015-01-16 06:50:36 C 01 59 14.10 -06 26 04.5 1 T09
2015-01-16 07:19:25 C 01 59 14.50 -06 25 56.5 1 T09
2015-01-16 07:52:12 C 01 59 14.95 -06 25 47.4 1 T09
2015-01-21 07:27:08 C 02 01 12.75 -05 51 57.2 1 T09
2015-01-21 07:51:03 C 02 01 13.19 -05 51 50.5 1 T09
2015-01-21 07:54:55 C 02 01 13.25 -05 51 49.1 1 T09
2016-06-30 07:28:02 C 21 00 56.04 +00 04 24.4 u H21
2016-06-30 07:47:37 C 21 00 55.40 +00 04 21.5 u H21
2016-06-30 08:11:34 C 21 00 54.62 +00 04 18.1 u H21
2016-07-02 07:11:06 C 20 59 22.41 -00 02 51.4 u H21
2016-07-02 07:31:50 C 20 59 21.69 -00 02 54.5 u H21
2016-07-02 07:54:14 C 20 59 20.91 -00 02 58.1 u H21
2016-07-27 04:40:14 C 20 35 43.59 -02 32 44.5 u H21
2016-07-27 05:00:47 C 20 35 42.72 -02 32 50.9 u H21
2016-07-27 05:28:53 C 20 35 41.51 -02 33 00.2 u H21
2016-08-02 04:35:53 C 20 29 45.26 -03 21 07.1 u H21
2016-08-02 04:54:52 C 20 29 44.49 -03 21 13.4 u H21
2016-08-02 05:31:21 C 20 29 42.96 -03 21 26.3 u H21
2019-10-25 13:54:55 C 05 25 04.114 -02 51 12.06 U F51
2019-10-25 14:14:50 C 05 25 04.116 -02 51 22.09 U F51
2019-10-25 14:34:47 C 05 25 04.101 -02 51 32.15 U F51
2019-11-03 13:07:19 C 05 24 10.678 -04 41 41.74 U F51
2019-11-03 13:25:19 C 05 24 10.468 -04 41 50.84 U F51
2019-11-03 13:43:17 C 05 24 10.250 -04 42 00.37 U F51
2019-11-03 14:01:16 C 05 24 10.035 -04 42 09.86 U F51
2019-11-26 09:45:15 C 05 09 58.735 -09 16 14.91 U F52
2019-11-26 10:02:04 C 05 09 58.011 -09 16 22.29 U F52
2019-11-26 10:18:58 C 05 09 57.294 -09 16 29.76 U F52
2019-11-26 10:35:50 C 05 09 56.546 -09 16 37.22 U F52
2019-12-03 11:06:32 C 05 02 19.131 -10 23 24.21 U F52