2017 OS18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3999605101 ± 1.83e-07
Semi-major axis (a)2.1587402307 AU ± 1.15e-07
Inclination (i)4.18415935° ± 7.40e-06
Long. of Asc. Node (Ω)104.67266894° ± 7.60e-05
Arg. of Perihelion (ω)178.31096931° ± 7.59e-05
Mean Anomaly (M)234.17313941° ± 6.40e-05
Mean Motion (n)0.3107504015°/day ± 2.48e-08
Perihelion dist (q)1.29532939 AU ± 4.02e-07
Aphelion dist (Q)3.02215107 AU ± 4.27e-07
Orbital Period3.17176190 yr ± 2.54e-07
Physical Parameters
H (abs. magnitude)20.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.316″
Uncertainty0
Orbit TypeAmor
MOID0.277199 AU
Observations Used81
Oppositions4
Arc Total2014-2020
First Observation Used2014-06-27
Last Observation Used2020-04-28
Observations (82)
Date Type RA Dec Mag Band Observatory
2017-08-01 11:32:44 C 21 47 37.39 -21 28 29.8 L T08
2017-08-01 11:47:10 C 21 47 37.38 -21 28 35.8 L T08
2017-09-10 06:35:16 C 21 50 22.40 -23 28 03.1 o 691
2017-09-10 06:45:27 C 21 50 22.47 -23 28 00.4 o 691
2017-09-10 06:55:34 C 21 50 22.57 -23 27 59.2 o 691
2017-09-23 08:30:08 C 21 56 53.185 -22 16 40.00 L F51
2017-09-23 08:45:57 C 21 56 53.560 -22 16 35.39 L F51
2017-09-23 09:01:47 C 21 56 53.925 -22 16 30.81 L F51
2017-09-24 04:17:56 C 21 57 26.02 -22 10 40.2 u 807
2017-09-24 04:22:48 C 21 57 26.17 -22 10 39.0 u 807
2017-09-24 04:27:40 C 21 57 26.27 -22 10 37.7 u 807
2017-10-26 01:21:58 C 22 29 11.22 -17 12 37.5 u 807
2017-10-26 01:44:35 C 22 29 12.30 -17 12 27.4 u 807
2017-10-26 02:06:43 C 22 29 13.38 -17 12 17.7 u 807
2017-10-27 00:20:32 C 22 30 23.19 -17 02 08.0 u 807
2017-10-27 00:31:17 C 22 30 23.73 -17 02 02.9 u 807
2017-10-27 00:42:21 C 22 30 24.28 -17 01 57.9 u 807
2020-04-02 07:29:35 C 13 05 32.32 +03 06 27.4 V G96
2020-04-02 07:36:56 C 13 05 31.96 +03 06 29.9 V G96
2020-04-02 07:44:17 C 13 05 31.69 +03 06 33.2 V G96
2020-04-02 07:51:36 C 13 05 31.27 +03 06 35.7 V G96
2020-04-23 06:39:58 C 12 41 36.89 +05 50 45.7 V G96
2020-04-23 06:47:25 C 12 41 36.52 +05 50 47.4 V G96
2020-04-23 06:54:51 C 12 41 36.19 +05 50 49.5 V G96
2020-04-23 07:02:18 C 12 41 35.85 +05 50 51.4 V G96
2020-04-27 08:34:35 C 12 37 26.495 +06 09 56.37 U F52
2020-04-27 09:12:20 C 12 37 24.807 +06 10 02.30 U F52
2020-04-27 09:31:12 C 12 37 23.997 +06 10 05.32 U F52
2020-04-28 09:03:42 C 12 36 27.915 +06 13 48.35 U F51
2020-04-28 09:19:00 C 12 36 27.259 +06 13 50.55 U F51
2020-04-28 09:34:30 C 12 36 26.619 +06 13 52.79 U F51
2020-04-28 09:49:59 C 12 36 25.954 +06 13 55.32 U F51