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
2018-07-08 01:43:03 C 20 58 42.49 -07 36 18.3 V 204
2018-07-08 01:49:19 C 20 58 42.18 -07 36 08.9 V 204
2018-07-08 01:55:34 C 20 58 41.81 -07 35 59.3 V 204
2018-07-08 11:26:11 C 20 58 12.849 -07 21 17.16 U F51
2018-07-08 11:43:01 C 20 58 11.910 -07 20 51.18 U F51
2018-07-08 11:59:50 C 20 58 10.968 -07 20 25.15 U F51
2018-07-08 12:16:39 C 20 58 10.034 -07 19 59.22 U F51
2018-07-12 10:21:23 C 20 52 44.388 -04 47 53.86 U F51
2018-07-12 10:37:43 C 20 52 43.286 -04 47 26.28 U F51
2018-07-12 10:53:59 C 20 52 42.189 -04 46 58.92 U F51
2018-07-12 11:10:20 C 20 52 41.081 -04 46 31.27 U F51
2018-07-13 01:12:16 C 20 51 46.71 -04 22 42.7 18.9 q J43
2018-07-13 01:24:45 C 20 51 45.86 -04 22 21.7 18.5 q J43
2018-07-13 01:37:12 C 20 51 44.98 -04 22 00.3 18.7 q J43
2018-07-13 01:49:40 C 20 51 44.12 -04 21 38.7 18.6 q J43
2018-07-18 22:31:08 C 20 41 17.57 -00 06 32.9 U K87
2018-07-18 22:39:15 C 20 41 16.87 -00 06 17.3 U K87
2018-07-18 22:47:23 C 20 41 16.16 -00 06 01.8 U K87
2018-07-18 23:14:12 C 20 41 13.89 -00 05 09.6 q 160
2018-07-18 23:18:15 C 20 41 13.54 -00 05 01.9 q 160
2018-07-18 23:22:20 C 20 41 13.17 -00 04 54.0 q 160
2018-07-19 22:44:32 C 20 39 14.89 +00 40 11.2 q 160
2018-07-19 22:46:35 C 20 39 14.70 +00 40 15.5 q 160
2018-07-19 22:53:57 C 20 39 14.03 +00 40 28.6 U K87
2018-07-19 22:55:35 C 20 39 13.88 +00 40 31.9 U K87
2018-07-19 22:57:44 C 20 39 13.68 +00 40 35.9 U K87
2018-07-19 23:00:27 C 20 39 13.45 +00 40 41.4 U K87
2018-07-23 12:07:56 C 20 31 28.59 +03 30 43.4 U T05
2018-07-23 12:10:50 C 20 31 28.33 +03 30 49.9 U T05
2018-07-23 12:23:21 C 20 31 27.04 +03 31 15.3 U T05
2018-07-23 12:26:13 C 20 31 26.78 +03 31 20.9 U T05
2018-07-23 12:39:23 C 20 31 25.47 +03 31 49.0 U T05
2018-07-23 12:42:15 C 20 31 25.16 +03 31 53.8 U T05
2018-07-23 12:54:44 C 20 31 23.91 +03 32 18.7 U T05
2018-07-23 12:57:39 C 20 31 23.63 +03 32 25.0 U T05
2018-07-23 22:58:13 C 20 30 26.38 +03 52 49.9 q 160
2018-07-23 23:02:14 C 20 30 26.00 +03 52 58.1 q 160
2018-07-23 23:06:14 C 20 30 25.60 +03 53 06.4 q 160
2018-07-26 00:39:54 C 20 25 28.51 +05 36 03.3 q 160
2018-07-26 00:43:45 C 20 25 28.10 +05 36 11.4 q 160
2018-07-26 00:47:37 C 20 25 27.70 +05 36 19.3 q 160
2018-07-30 21:43:56 C 20 12 49.26 +09 45 40.4 q 160
2018-07-30 21:47:52 C 20 12 48.75 +09 45 48.0 q 160
2018-07-30 21:51:43 C 20 12 48.29 +09 45 56.4 q 160
2018-07-31 22:04:49 C 20 10 01.81 +10 38 09.1 q 160
2018-07-31 22:08:17 C 20 10 01.40 +10 38 17.0 q 160
2018-07-31 22:11:46 C 20 10 00.99 +10 38 24.6 q 160
2018-08-03 22:29:26 C 20 01 28.82 +13 14 01.4 q 160
2018-08-03 22:32:20 C 20 01 28.44 +13 14 07.4 q 160
2018-08-03 22:35:37 C 20 01 28.05 +13 14 14.4 q 160