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
2018-08-16 22:20:43 C 19 22 47.90 +23 36 07.4 q 160
2018-08-17 21:55:55 C 19 19 56.02 +24 17 37.5 q 160
2018-08-17 21:59:45 C 19 19 55.53 +24 17 44.2 q 160
2018-08-17 22:03:36 C 19 19 55.05 +24 17 51.2 q 160
2018-08-27 04:34:32 C 18 54 47.59 +30 02 15.1 U I41
2018-08-27 05:56:41 C 18 54 38.67 +30 04 06.1 U I41
2018-08-27 06:26:08 C 18 54 35.50 +30 04 45.4 U I41
2018-08-27 07:04:11 C 18 54 31.40 +30 05 36.3 U I41
2018-08-27 20:49:08 C 18 53 07.53 +30 24 03.4 S 160
2018-08-27 20:53:16 C 18 53 07.02 +30 24 07.3 S 160
2018-08-27 20:57:16 C 18 53 06.67 +30 24 14.3 S 160
2018-08-28 21:17:14 C 18 50 39.93 +30 56 13.1 q 160
2018-08-28 21:20:30 C 18 50 39.67 +30 56 17.0 q 160
2018-08-28 21:24:34 C 18 50 39.16 +30 56 22.3 q 160
2018-08-29 19:19:56 C 18 48 30.97 +31 24 24.9 V C95
2018-08-29 19:37:14 C 18 48 29.23 +31 24 46.8 V C95
2018-08-29 19:52:45 C 18 48 27.63 +31 25 07.2 V C95
2018-08-31 08:36:50 C 18 44 57.91 +32 10 33.1 U T08
2018-08-31 08:46:54 C 18 44 57.00 +32 10 45.0 U T08
2018-08-31 08:52:41 C 18 44 56.37 +32 10 52.8 U T08
2018-08-31 09:08:15 C 18 44 54.78 +32 11 11.6 U T08
2018-08-31 09:18:25 C 18 44 53.91 +32 11 22.8 U T08
2018-08-31 09:24:15 C 18 44 53.37 +32 11 30.5 U T08
2018-09-04 08:01:58 C 18 36 37.08 +33 59 37.8 U T08
2018-09-04 08:17:07 C 18 36 35.73 +33 59 52.8 U T08
2018-09-04 08:32:37 C 18 36 34.41 +34 00 08.6 U T08
2018-09-04 08:48:17 C 18 36 33.02 +34 00 25.2 U T08
2018-09-06 08:01:49 C 18 32 48.59 +34 50 10.1 U T05
2018-09-06 08:17:51 C 18 32 47.31 +34 50 26.2 U T05
2018-09-06 08:33:56 C 18 32 45.95 +34 50 41.7 U T05
2018-09-06 08:50:10 C 18 32 44.64 +34 50 58.7 U T05
2018-09-10 00:52:26 S 18 26 28.62 +36 17 15.3 L C51
2018-09-10 04:00:13 S 18 26 16.36 +36 20 12.0 L C51
2018-09-10 07:09:27 S 18 26 03.84 +36 23 08.8 L C51
2018-09-10 07:47:37 C 18 26 00.60 +36 23 49.1 U T05
2018-09-10 08:01:52 C 18 25 59.59 +36 24 01.6 U T05
2018-09-10 08:17:59 C 18 25 58.49 +36 24 16.3 U T05
2018-09-10 08:33:51 C 18 25 57.35 +36 24 30.6 U T05
2018-09-10 15:00:42 S 18 25 33.14 +36 30 28.2 L C51
2018-09-10 21:17:31 S 18 25 09.00 +36 36 15.1 L C51
2018-09-11 20:18:28 C 18 23 42.12 +36 57 15.0 18.5 q 122
2018-09-11 20:30:40 C 18 23 41.34 +36 57 26.0 18.5 q 122
2018-09-11 20:45:14 C 18 23 40.37 +36 57 38.8 18.4 q 122
2018-09-17 06:45:37 C 18 16 38.27 +38 49 42.2 U T08
2018-09-17 06:57:02 C 18 16 37.59 +38 49 50.6 U T08
2018-09-17 07:08:26 C 18 16 37.02 +38 50 00.2 U T08
2018-09-17 07:19:54 C 18 16 36.40 +38 50 09.9 U T08
2018-09-19 06:28:29 C 18 14 30.07 +39 28 31.7 U T05
2018-09-19 06:40:27 C 18 14 29.55 +39 28 40.8 U T05
2018-09-19 06:51:54 C 18 14 28.99 +39 28 50.7 U T05