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
2014-06-27 14:22:34 C 01 02 46.006 +02 45 54.30 V F51
2014-06-27 14:26:22 C 01 02 46.311 +02 45 56.15 V F51
2014-06-27 14:30:10 C 01 02 46.626 +02 45 57.59 V F51
2014-08-24 14:42:37 C 02 22 26.043 +06 47 41.77 V F51
2014-08-24 14:48:32 C 02 22 26.110 +06 47 41.17 V F51
2014-08-24 15:00:22 C 02 22 26.228 +06 47 40.17 V F51
2014-08-25 14:20:04 C 02 22 45.487 +06 45 45.87 V F51
2014-08-25 14:31:02 C 02 22 45.624 +06 45 45.35 V F51
2014-08-25 14:41:59 C 02 22 45.719 +06 45 44.02 V F51
2014-08-25 14:52:58 C 02 22 45.841 +06 45 42.41 V F51
2014-08-30 13:05:21 C 02 23 44.168 +06 33 03.09 V F51
2014-08-30 13:22:31 C 02 23 44.163 +06 33 00.07 V F51
2014-08-30 13:39:39 C 02 23 44.189 +06 32 58.21 V F51
2014-08-30 13:56:47 C 02 23 44.205 +06 32 56.28 V F51
2017-07-24 11:40:36 C 21 44 54.95 -20 10 13.9 L T08
2017-07-24 11:41:17 C 21 44 55.09 -20 10 14.2 L T08
2017-07-24 11:55:38 C 21 44 55.23 -20 10 19.3 L T08
2017-07-24 12:19:22 C 21 44 55.41 -20 10 30.7 L T08
2017-07-24 12:27:47 C 21 44 55.72 -20 10 32.8 L T08
2017-07-24 12:29:11 C 21 44 55.66 -20 10 32.7 L T08
2017-07-25 07:35:43 C 21 45 18.67 -20 18 44.4 U H21
2017-07-25 07:40:45 C 21 45 18.74 -20 18 46.9 U H21
2017-07-25 07:41:18 C 21 45 18.94 -20 18 46.1 q H36
2017-07-25 07:45:46 C 21 45 18.80 -20 18 48.1 U H21
2017-07-25 08:07:03 C 21 45 19.27 -20 18 56.9 q H36
2017-07-25 09:31:06 C 21 45 19.71 -20 19 02.4 U W86
2017-07-25 09:35:44 C 21 45 19.78 -20 19 04.1 U W86
2017-07-25 09:40:21 C 21 45 19.84 -20 19 05.8 U W86
2017-07-25 09:44:59 C 21 45 19.90 -20 19 07.6 U W86
2017-07-25 09:50:05 C 21 45 20.63 -20 19 39.3 q H36
2017-07-25 11:09:29 C 21 45 23.161 -20 20 07.78 L F51
2017-07-25 11:24:11 C 21 45 23.330 -20 20 14.08 L F51
2017-07-25 11:38:54 C 21 45 23.496 -20 20 20.34 L F51
2017-07-25 11:53:36 C 21 45 23.660 -20 20 26.47 L F51
2017-07-25 23:58:18 C 21 45 37.06 -20 25 37.7 o K88
2017-07-26 00:07:37 C 21 45 37.16 -20 25 41.8 o K88
2017-07-28 11:01:14 C 21 46 33.922 -20 50 00.86 L F51
2017-07-28 11:19:05 C 21 46 34.034 -20 50 08.28 L F51
2017-07-28 11:36:53 C 21 46 34.143 -20 50 15.61 L F51
2017-07-28 11:54:43 C 21 46 34.247 -20 50 22.77 L F51
2017-07-29 05:51:45 C 21 46 49.05 -20 57 47.6 q W25
2017-07-29 06:23:44 C 21 46 49.27 -20 58 00.8 q W25
2017-07-29 11:18:17 C 21 46 52.975 -20 59 54.93 L F51
2017-07-29 11:34:09 C 21 46 53.048 -21 00 01.40 L F51
2017-07-29 11:50:01 C 21 46 53.125 -21 00 07.85 L F51
2017-07-29 12:05:54 C 21 46 53.200 -21 00 14.19 L F51
2017-08-01 00:35:46 C 21 47 31.75 -21 24 22.5 U 204
2017-08-01 00:47:07 C 21 47 31.78 -21 24 26.8 U 204
2017-08-01 10:54:41 C 21 47 37.31 -21 28 15.9 L T08
2017-08-01 11:18:49 C 21 47 37.29 -21 28 23.8 L T08