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
2002-12-29 21:41:13 C 04 46 29.39 +55 37 32.8 d 170
2003-01-11 19:43:22 C 05 06 31.11 +35 37 26.3 d 118
2003-01-11 19:46:19 C 05 06 31.24 +35 37 16.6 d 118
2003-01-11 19:47:49 C 05 06 31.34 +35 37 12.0 d 118
2003-01-11 19:50:37 C 05 06 31.45 +35 37 03.0 d 118
2003-01-11 19:56:04 C 05 06 31.71 +35 36 46.0 d 118
2003-01-11 22:25:06 C 05 06 39.14 +35 28 56.0 d 170
2003-01-11 22:26:31 C 05 06 39.36 +35 28 52.1 d 170
2003-01-11 22:29:20 C 05 06 39.40 +35 28 42.5 d 170
2005-12-25 11:55:26 C 11 21 42.63 -18 42 00.4 d 291
2005-12-25 12:01:11 C 11 21 42.65 -18 42 05.4 d 291
2005-12-25 12:07:00 C 11 21 42.69 -18 42 09.7 d 291
2010-06-16 09:30:19 C 21 15 59.18 -16 59 05.9 u 448
2010-06-16 10:05:51 C 21 15 59.29 -16 58 32.2 u 448
2010-06-16 10:43:34 C 21 15 59.40 -16 57 56.4 u 448
2010-06-17 13:02:47 C 21 16 05.32 -16 32 23.8 o F65
2010-06-17 13:04:56 C 21 16 05.33 -16 32 21.5 o F65
2010-06-17 13:07:07 C 21 16 05.33 -16 32 19.0 o F65
2010-06-20 08:52:41 C 21 16 05.55 -15 23 37.3 r G96
2010-06-20 09:01:17 C 21 16 05.52 -15 23 28.3 r G96
2010-06-20 09:09:57 C 21 16 05.44 -15 23 19.1 r G96
2010-06-20 09:18:37 C 21 16 05.41 -15 23 10.1 r G96
2010-07-03 08:37:08 C 21 10 50.93 -09 00 13.2 o H21
2010-07-03 08:45:46 C 21 10 50.58 -09 00 00.3 o H21
2010-07-03 08:54:22 C 21 10 50.31 -08 59 48.7 o H21
2010-07-06 07:13:18 C 21 08 17.62 -07 15 14.5 r 703
2010-07-06 07:20:40 C 21 08 17.34 -07 15 02.4 r 703
2010-07-06 07:28:06 C 21 08 16.98 -07 14 52.0 r 703
2010-07-06 07:35:36 C 21 08 16.62 -07 14 40.6 r 703
2010-07-06 08:19:52 C 21 08 14.69 -07 13 31.2 19.5 c 704
2010-07-06 08:35:57 C 21 08 13.99 -07 13 05.5 19.9 c 704
2010-07-06 08:51:58 C 21 08 13.27 -07 12 40.9 19.9 c 704
2010-07-07 22:46:12 C 21 06 36.48 -06 13 10.3 u A13
2010-07-07 23:22:15 C 21 06 34.77 -06 12 12.3 u A13
2010-07-09 00:04:27 C 21 05 25.69 -05 32 09.4 v 204
2010-07-09 00:19:47 C 21 05 24.92 -05 31 44.1 v 204
2010-07-09 09:02:25 C 21 04 59.40 -05 17 20.8 19.4 c 704
2010-07-09 09:17:23 C 21 04 58.59 -05 16 55.8 19.5 c 704
2010-07-09 09:32:24 C 21 04 57.80 -05 16 30.8 19.7 c 704
2010-07-09 09:47:19 C 21 04 56.99 -05 16 05.8 20.0 c 704
2010-07-09 10:02:14 C 21 04 56.26 -05 15 41.4 19.8 c 704
2010-07-10 08:29:21 C 21 03 48.40 -04 38 04.9 19.1 c 704
2010-07-10 08:45:04 C 21 03 47.50 -04 37 38.7 19.4 c 704
2010-07-10 09:01:00 C 21 03 46.62 -04 37 11.6 19.6 c 704
2010-07-13 08:08:14 C 20 59 46.12 -02 32 44.6 19.0 c 704
2010-07-13 08:23:07 C 20 59 45.12 -02 32 18.9 19.2 c 704
2010-07-13 08:38:04 C 20 59 44.17 -02 31 51.5 19.2 c 704
2010-07-13 08:52:59 C 20 59 43.22 -02 31 23.8 19.6 c 704
2010-07-13 09:07:55 C 20 59 42.20 -02 30 57.9 19.2 c 704
2010-07-14 23:32:31 C 20 57 16.50 -01 20 22.3 u 160