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
2011-01-23 20:59:30 C 05 12 22.67 +24 04 43.8 u 160
2011-01-23 21:03:28 C 05 12 22.95 +24 04 36.2 u 160
2011-01-24 21:36:11 C 05 13 53.02 +23 17 23.4 u 160
2011-01-24 21:38:57 C 05 13 53.18 +23 17 18.0 u 160
2011-01-24 21:41:30 C 05 13 53.32 +23 17 13.0 u 160
2011-01-26 05:03:42 C 05 15 47.73 +22 19 52.4 r G96
2011-01-26 05:16:07 C 05 15 48.42 +22 19 30.3 r G96
2011-01-26 05:28:40 C 05 15 49.14 +22 19 08.0 r G96
2011-01-26 05:38:42 C 05 15 49.68 +22 18 49.8 r 703
2011-01-26 05:41:09 C 05 15 49.82 +22 18 45.5 r G96
2011-01-26 05:49:19 C 05 15 50.25 +22 18 32.3 r 703
2011-01-26 06:00:07 C 05 15 50.90 +22 18 13.5 r 703
2011-01-26 06:10:59 C 05 15 51.48 +22 17 53.8 r 703
2011-01-27 05:54:36 C 05 17 17.28 +21 36 37.6 19.5 c 704
2011-01-27 06:13:13 C 05 17 18.34 +21 36 05.5 19.8 c 704
2011-01-27 06:31:51 C 05 17 19.40 +21 35 33.5 19.5 c 704
2011-01-28 04:01:24 C 05 18 37.31 +20 59 44.8 19.7 c 704
2011-01-28 04:19:59 C 05 18 38.34 +20 59 14.6 19.7 c 704
2011-01-28 04:38:33 C 05 18 39.45 +20 58 43.4 19.7 c 704
2011-01-31 02:36:34 C 05 22 49.34 +19 11 14.7 u H20
2011-01-31 02:39:17 C 05 22 49.53 +19 11 10.9 u H20
2011-01-31 02:43:48 C 05 22 49.79 +19 11 04.5 u H20
2011-01-31 02:46:30 C 05 22 49.94 +19 11 00.3 u H20
2014-02-03 05:03:01 C 10 56 10.87 -29 07 24.5 u 807
2014-02-03 05:19:13 C 10 56 09.89 -29 07 31.1 u 807
2014-02-03 05:35:13 C 10 56 08.98 -29 07 37.6 u 807
2018-06-15 13:25:26 C 21 10 38.010 -18 14 49.01 U F51
2018-06-15 13:40:41 C 21 10 38.003 -18 14 35.33 U F51
2018-06-15 13:55:52 C 21 10 37.998 -18 14 21.68 U F51
2018-06-15 14:11:05 C 21 10 37.992 -18 14 08.00 U F51
2018-06-17 13:33:41 C 21 10 39.937 -17 30 43.84 U F51
2018-06-17 13:47:55 C 21 10 39.875 -17 30 30.50 U F51
2018-06-17 14:02:11 C 21 10 39.816 -17 30 17.10 U F51
2018-06-17 14:16:26 C 21 10 39.757 -17 30 03.78 U F51
2018-06-19 13:32:32 C 21 10 30.701 -16 44 44.41 U F51
2018-06-19 13:47:28 C 21 10 30.579 -16 44 29.83 U F51
2018-06-19 14:02:24 C 21 10 30.457 -16 44 15.15 U F51
2018-06-19 14:17:17 C 21 10 30.333 -16 44 00.56 U F51
2018-06-21 08:29:40 C 21 10 12.85 -16 01 45.5 U 703
2018-06-21 08:36:47 C 21 10 12.78 -16 01 37.7 U 703
2018-06-21 08:43:54 C 21 10 12.73 -16 01 30.4 U 703
2018-06-21 08:51:01 C 21 10 12.67 -16 01 22.9 U 703
2018-07-06 12:37:48 C 21 00 30.459 -08 31 58.29 U F52
2018-07-06 12:52:10 C 21 00 29.719 -08 31 37.12 U F52
2018-07-06 13:06:40 C 21 00 29.008 -08 31 15.86 U F52
2018-07-06 13:21:05 C 21 00 28.283 -08 30 54.20 U F52
2018-07-07 13:46:52 C 20 59 17.97 -07 54 23.8 U T05
2018-07-07 13:48:17 C 20 59 17.98 -07 54 20.8 U T05
2018-07-07 14:01:23 C 20 59 17.30 -07 54 01.5 U T05
2018-07-07 14:03:32 C 20 59 17.13 -07 53 58.5 U T05