871181 (2017 OR18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2994201592 ± 5.31e-08
Semi-major axis (a)1.8507588655 AU ± 4.64e-09
Inclination (i)3.99973015° ± 2.01e-06
Long. of Asc. Node (Ω)278.75809547° ± 3.52e-05
Arg. of Perihelion (ω)48.10604406° ± 5.05e-05
Mean Anomaly (M)105.33273406° ± 1.44e-05
Mean Motion (n)0.3914601143°/day ± 1.47e-09
Perihelion dist (q)1.29660435 AU ± 9.83e-08
Aphelion dist (Q)2.40491338 AU ± 9.84e-08
Orbital Period2.51782046 yr ± 9.47e-09
Physical Parameters
H (abs. magnitude)21.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.194″
Uncertainty0
Orbit TypeAmor
MOID0.288237 AU
Observations Used161
Oppositions6
Arc Total2012-2022
First Observation Used2012-09-26
Last Observation Used2022-09-29
Observations (166)
Date Type RA Dec Mag Band Observatory
2012-09-26 14:05:57 C 01 42 27.716 +24 26 09.67 V F51
2012-09-26 14:21:49 C 01 42 27.218 +24 26 07.33 V F51
2012-10-10 10:35:05 C 01 31 16.14 +23 03 05.3 r G96
2012-10-10 10:45:03 C 01 31 15.74 +23 03 01.9 r G96
2012-10-10 10:54:53 C 01 31 15.34 +23 02 57.4 r G96
2012-10-10 11:04:42 C 01 31 14.91 +23 02 53.4 r G96
2012-11-01 10:06:53 C 01 14 53.764 +19 01 34.34 V F51
2012-11-01 10:24:20 C 01 14 53.385 +19 01 26.19 V F51
2012-11-07 06:31:51 C 01 13 09.036 +17 59 43.25 V F51
2017-07-27 12:12:11 C 23 30 33.157 +05 52 13.57 L F51
2017-07-27 12:29:51 C 23 30 34.100 +05 52 29.89 L F51
2017-07-27 12:47:32 C 23 30 35.064 +05 52 46.00 L F51
2017-07-27 13:05:18 C 23 30 36.016 +05 53 02.55 L F51
2017-07-28 13:24:38 C 23 32 01.943 +06 15 18.69 V F51
2017-07-28 13:41:08 C 23 32 02.788 +06 15 33.75 V F51
2017-07-28 13:57:55 C 23 32 03.655 +06 15 49.06 V F51
2017-07-28 14:14:08 C 23 32 04.505 +06 16 03.77 V F51
2017-07-29 07:10:20 C 23 33 03.79 +06 31 19.9 u H21
2017-07-29 07:25:10 C 23 33 04.60 +06 31 32.8 u H21
2017-07-29 07:42:55 C 23 33 05.53 +06 31 49.1 u H21
2017-07-29 09:09:02 C 23 33 10.61 +06 33 04.1 658
2017-07-29 09:12:10 C 23 33 10.79 +06 33 07.1 658
2017-07-29 09:15:18 C 23 33 10.95 +06 33 10.0 658
2017-07-29 13:42:38 C 23 33 25.565 +06 37 21.08 L F51
2017-07-29 14:01:04 C 23 33 26.503 +06 37 37.64 L F51
2017-07-29 14:19:26 C 23 33 27.431 +06 37 54.05 L F51
2017-07-29 14:37:43 C 23 33 28.347 +06 38 10.71 L F51
2017-09-11 12:10:19 C 23 53 22.100 +15 53 20.03 L F51
2017-09-11 12:26:47 C 23 53 21.753 +15 53 20.21 L F51
2017-09-11 12:43:04 C 23 53 21.432 +15 53 20.41 L F51
2017-09-11 12:59:33 C 23 53 21.102 +15 53 20.68 L F51
2017-09-17 23:28:33 C 23 51 01.66 +15 45 09.7 20.1 u J43
2017-09-17 23:40:53 C 23 51 01.39 +15 45 08.4 20.0 u J43
2017-09-17 23:53:16 C 23 51 01.11 +15 45 06.9 20.2 u J43
2017-09-18 00:05:36 C 23 51 00.82 +15 45 05.7 20.2 u J43
2017-09-21 11:18:29 C 23 49 40.178 +15 32 01.11 L F51
2017-09-21 11:36:21 C 23 49 39.778 +15 31 57.59 L F51
2017-09-21 11:54:10 C 23 49 39.385 +15 31 53.93 L F51
2017-09-21 12:12:08 C 23 49 38.984 +15 31 50.32 L F51
2017-10-15 05:26:50 C 23 46 36.88 +12 38 17.9 U G96
2017-10-15 05:34:22 C 23 46 36.93 +12 38 15.6 U G96
2017-10-15 05:41:53 C 23 46 36.94 +12 38 13.3 U G96
2017-10-15 05:49:24 C 23 46 37.00 +12 38 10.3 U G96
2017-10-15 06:41:31 C 23 46 37.23 +12 37 53.5 o 691
2017-10-15 06:53:56 C 23 46 37.28 +12 37 49.6 o 691
2017-10-15 07:06:10 C 23 46 37.34 +12 37 45.4 o 691
2017-10-15 07:35:57 C 23 46 37.46 +12 37 35.0 U I52
2017-10-15 07:44:47 C 23 46 37.51 +12 37 31.9 U I52
2017-10-15 07:55:25 C 23 46 37.59 +12 37 28.4 U I52
2017-10-15 08:05:23 C 23 46 37.62 +12 37 24.6 U I52