523595 (2002 OS4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4535974450 ± 1.21e-08
Semi-major axis (a)1.9238096955 AU ± 9.16e-10
Inclination (i)26.81143480° ± 3.88e-06
Long. of Asc. Node (Ω)289.41020109° ± 3.54e-06
Arg. of Perihelion (ω)102.22603862° ± 8.91e-06
Mean Anomaly (M)231.83172559° ± 3.49e-06
Mean Motion (n)0.3693763729°/day ± 2.64e-10
Perihelion dist (q)1.05117453 AU ± 2.33e-08
Aphelion dist (Q)2.79644486 AU ± 2.34e-08
Orbital Period2.66835227 yr ± 1.91e-09
Physical Parameters
H (abs. magnitude)18.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.336″
Uncertainty0
Orbit TypeAmor
MOID0.297841 AU
Observations Used717
Oppositions13
Arc Total2002-2022
First Observation Used2002-06-25
Last Observation Used2022-01-09
Observations (797)
Date Type RA Dec Mag Band Observatory
2010-12-27 13:45:53 C 04 11 40.52 +60 19 19.1 u 379
2010-12-27 13:48:33 C 04 11 41.00 +60 19 07.4 u 379
2010-12-27 14:10:37 C 04 11 44.76 +60 17 29.0 u 379
2010-12-27 14:29:54 C 04 11 48.12 +60 16 03.2 u 379
2010-12-27 14:32:34 C 04 11 48.61 +60 15 51.7 u 379
2010-12-29 13:22:22 C 04 19 44.36 +56 49 56.5 u 379
2010-12-29 13:25:03 C 04 19 44.77 +56 49 44.5 u 379
2010-12-29 13:40:59 C 04 19 47.05 +56 48 34.7 u 379
2010-12-29 13:44:12 C 04 19 47.50 +56 48 20.6 u 379
2010-12-29 13:57:49 C 04 19 49.46 +56 47 21.1 u 379
2010-12-31 10:14:58 C 04 26 12.61 +53 35 29.7 m 355
2010-12-31 10:24:11 C 04 26 13.66 +53 34 50.6 m 355
2010-12-31 10:25:44 C 04 26 13.93 +53 34 43.8 m 355
2011-01-01 01:40:51 C 04 28 09.87 +52 29 29.2 v 204
2011-01-01 01:51:20 C 04 28 11.16 +52 28 44.1 v 204
2011-01-01 01:58:45 C 04 28 12.08 +52 28 12.2 v 204
2011-01-02 03:23:41 C 04 31 21.10 +50 41 27.8 o H20
2011-01-02 03:26:42 C 04 31 21.41 +50 41 15.4 o H20
2011-01-02 03:30:22 C 04 31 21.84 +50 41 00.1 o H20
2011-01-02 03:33:38 C 04 31 22.22 +50 40 46.3 o H20
2011-01-02 12:20:38 C 04 32 23.79 +50 04 18.5 u 379
2011-01-02 12:23:19 C 04 32 24.10 +50 04 07.3 u 379
2011-01-02 12:35:42 C 04 32 25.45 +50 03 16.3 u 379
2011-01-02 12:38:24 C 04 32 25.72 +50 03 05.3 u 379
2011-01-02 13:11:53 C 04 32 29.24 +50 00 46.5 u 379
2011-01-02 13:14:32 C 04 32 29.49 +50 00 35.1 u 379
2011-01-02 13:17:15 C 04 32 29.80 +50 00 23.7 u 379
2011-01-03 04:27:59 C 04 34 12.59 +48 57 55.7 o H20
2011-01-03 04:29:34 C 04 34 12.77 +48 57 49.4 o H20
2011-01-03 04:31:11 C 04 34 12.96 +48 57 42.7 o H20
2011-01-03 04:32:46 C 04 34 13.14 +48 57 35.9 o H20
2011-01-04 13:15:36 C 04 37 42.11 +46 45 55.3 u 379
2011-01-04 13:23:41 C 04 37 42.87 +46 45 22.8 u 379
2011-01-04 13:55:32 C 04 37 45.86 +46 43 16.4 u 379
2011-01-04 14:17:33 C 04 37 47.96 +46 41 48.2 u 379
2011-01-04 14:25:54 C 04 37 48.71 +46 41 14.7 u 379
2011-01-04 14:28:34 C 04 37 48.97 +46 41 04.4 u 379
2011-01-04 14:42:13 C 04 37 50.23 +46 40 09.6 u 379
2011-01-06 12:22:35 C 04 42 17.94 +43 43 37.9 u 379
2011-01-06 13:18:21 C 04 42 22.74 +43 40 07.4 u 379
2011-01-07 12:42:39 C 04 44 30.42 +42 13 12.8 u 379
2011-01-07 12:45:20 C 04 44 30.62 +42 13 03.1 u 379
2011-01-07 13:08:12 C 04 44 32.46 +42 11 39.1 u 379
2011-01-15 20:45:50 C 04 59 57.31 +31 33 28.3 u 160
2011-01-15 20:48:21 C 04 59 57.45 +31 33 21.3 u 160
2011-01-15 20:50:52 C 04 59 57.61 +31 33 14.3 u 160
2011-01-22 23:23:28 C 05 11 02.20 +24 47 59.4 v 204
2011-01-22 23:34:39 C 05 11 02.86 +24 47 36.2 v 204
2011-01-22 23:45:42 C 05 11 03.52 +24 47 13.6 v 204
2011-01-23 20:55:31 C 05 12 22.49 +24 04 51.7 u 160