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
2018-09-19 07:03:58 C 18 14 28.39 +39 28 59.3 U T05
2018-09-20 02:03:58 C 18 13 41.44 +39 44 06.7 u H21
2018-09-20 02:10:07 C 18 13 41.16 +39 44 11.5 u H21
2018-09-22 06:41:42 C 18 11 41.338 +40 25 40.33 U F52
2018-09-22 07:01:12 C 18 11 40.541 +40 25 55.11 U F52
2018-09-22 07:40:15 C 18 11 38.981 +40 26 24.35 U F52
2018-09-24 07:00:46 C 18 10 04.532 +41 03 04.10 U F52
2018-09-24 07:17:23 C 18 10 03.932 +41 03 16.35 U F52
2018-09-24 07:34:01 C 18 10 03.344 +41 03 28.56 U F52
2018-09-24 07:50:37 C 18 10 02.759 +41 03 40.78 U F52
2018-09-29 04:08:22 C 18 06 59.99 +42 31 58.4 V G96
2018-09-29 04:16:33 C 18 06 59.82 +42 32 04.4 V G96
2018-09-29 04:24:45 C 18 06 59.60 +42 32 10.4 V G96
2018-09-29 04:32:57 C 18 06 59.40 +42 32 16.4 V G96
2018-10-01 05:48:57 C 18 06 02.04 +43 09 25.6 U T05
2018-10-01 05:52:21 C 18 06 01.97 +43 09 28.0 U T05
2018-10-01 06:01:52 C 18 06 01.72 +43 09 35.0 U T05
2018-10-01 06:04:34 C 18 06 01.76 +43 09 37.0 U T05
2018-10-01 06:17:12 C 18 06 01.39 +43 09 46.4 U T05
2018-10-01 06:25:56 C 18 06 01.17 +43 09 52.3 U T05
2018-10-01 06:37:26 C 18 06 00.88 +43 10 00.6 U T05
2018-10-03 05:39:27 C 18 05 16.642 +43 45 22.91 U F52
2018-10-03 05:57:14 C 18 05 16.291 +43 45 35.87 U F52
2018-10-03 06:15:01 C 18 05 15.951 +43 45 48.70 U F52
2018-10-05 03:44:42 C 18 04 41.98 +44 19 56.2 q W34
2018-10-05 03:57:34 C 18 04 41.82 +44 20 05.5 q W34
2018-10-05 04:10:25 C 18 04 41.67 +44 20 16.4 q W34
2018-10-09 04:25:01 C 18 04 00.11 +45 33 36.1 V 703
2018-10-09 04:40:18 C 18 04 00.15 +45 33 48.1 V 703
2018-10-09 04:47:56 C 18 04 00.21 +45 33 55.5 V 703
2018-10-28 02:53:27 C 18 09 03.59 +52 00 00.6 V 703
2018-10-28 03:01:09 C 18 09 03.87 +52 00 08.3 V 703
2018-10-28 03:08:51 C 18 09 03.96 +52 00 14.7 V 703
2018-10-28 03:16:33 C 18 09 04.12 +52 00 22.5 V 703
2018-11-03 02:13:30 C 18 13 51.51 +54 25 04.9 V 703
2018-11-03 02:21:18 C 18 13 51.86 +54 25 12.9 V 703
2018-11-03 02:36:55 C 18 13 52.35 +54 25 29.3 V 703
2018-11-12 05:46:26 C 18 26 10.18 +58 43 09.8 U T08
2018-11-12 05:57:51 C 18 26 10.97 +58 43 24.1 U T08
2018-11-12 06:07:50 C 18 26 11.58 +58 43 36.3 U T08
2018-11-12 06:18:31 C 18 26 12.44 +58 43 50.3 U T08
2018-11-13 02:06:45 C 18 27 44.79 +59 09 50.7 V 703
2018-11-13 02:14:33 C 18 27 45.38 +59 10 00.0 V 703
2018-11-13 02:22:21 C 18 27 45.95 +59 10 09.9 V 703
2018-11-13 02:30:08 C 18 27 46.56 +59 10 20.2 V 703
2018-11-16 01:59:57 C 18 34 06.70 +60 48 36.9 V 703
2018-11-16 02:07:50 C 18 34 07.46 +60 48 47.8 V 703
2018-11-16 02:15:44 C 18 34 08.24 +60 48 58.5 V 703
2018-11-16 02:23:37 C 18 34 09.00 +60 49 08.6 V 703
2018-11-18 02:08:10 C 18 39 12.67 +61 58 45.9 V 703