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
2022-08-01 23:35:03 C 21 31 12.38 -04 26 37.0 X C95
2022-08-03 15:57:28 C 21 31 16.31 -04 01 16.8 V D29
2022-08-03 16:21:39 C 21 31 16.17 -04 01 02.0 V D29
2022-08-03 16:45:49 C 21 31 15.99 -04 00 47.3 V D29
2022-08-04 16:06:58 C 21 31 17.13 -03 46 31.5 V D29
2022-08-04 16:29:53 C 21 31 16.98 -03 46 17.4 V D29
2022-08-04 16:52:48 C 21 31 16.80 -03 46 03.7 V D29
2022-08-05 14:38:47 C 21 31 17.918 -03 32 33.79 V P07
2022-08-05 17:19:50 C 21 31 16.615 -03 30 58.32 V P07
2022-08-05 18:26:21 C 21 31 16.078 -03 30 19.12 V P07
2022-08-05 19:42:47 C 21 31 15.511 -03 29 33.83 V P07
2022-08-17 11:39:32 C 21 30 42.886 -01 06 58.19 U F52
2022-08-17 11:44:05 C 21 30 42.844 -01 06 56.28 U F52
2022-08-17 11:56:57 C 21 30 42.731 -01 06 50.84 U F52
2022-08-17 12:01:33 C 21 30 42.680 -01 06 48.93 U F52
2022-08-17 12:14:24 C 21 30 42.560 -01 06 43.50 U F52
2022-08-17 12:51:38 C 21 30 42.236 -01 06 27.80 U F52
2022-08-17 12:56:11 C 21 30 42.193 -01 06 25.79 U F52
2022-08-18 05:48:35 C 21 30 41.43 -00 59 34.5 u H21
2022-08-18 05:56:10 C 21 30 41.36 -00 59 31.6 u H21
2022-08-18 06:02:19 C 21 30 41.37 -00 59 29.4 u H21
2022-08-20 08:17:01 C 21 30 38.295 -00 39 42.06 U F52
2022-08-20 08:33:44 C 21 30 38.154 -00 39 35.81 U F52
2022-08-20 08:50:33 C 21 30 38.006 -00 39 29.52 U F52
2022-08-20 09:07:13 C 21 30 37.860 -00 39 23.33 U F52
2022-08-21 01:52:59 C 21 30 37.78 -00 32 48.4 X W84
2022-08-21 02:02:55 C 21 30 37.71 -00 32 44.9 X W84
2022-08-21 02:12:53 C 21 30 37.65 -00 32 41.3 X W84
2022-08-22 12:49:07 C 21 30 38.050 -00 20 41.35 V P07
2022-08-22 12:50:18 C 21 30 38.054 -00 20 40.78 V P07
2022-08-22 15:38:34 C 21 30 36.862 -00 19 44.83 V P07
2022-08-22 16:33:25 C 21 30 36.446 -00 19 26.29 V P07
2022-08-22 17:41:41 C 21 30 36.010 -00 19 03.50 V P07
2022-08-24 13:11:45 C 21 30 41.407 -00 05 12.95 V P07
2022-08-24 14:44:57 C 21 30 40.867 -00 04 43.93 V P07
2022-08-24 15:59:01 C 21 30 40.483 -00 04 21.58 V P07
2022-08-24 16:59:49 C 21 30 40.150 -00 04 02.82 V P07
2022-08-24 18:06:09 C 21 30 39.727 -00 03 43.88 V P07
2022-08-27 23:29:58 C 21 30 58.17 +00 17 02.2 V J43
2022-08-27 23:42:05 C 21 30 58.15 +00 17 04.4 V J43
2022-08-27 23:54:11 C 21 30 58.13 +00 17 07.9 V J43
2022-09-01 07:20:54 C 21 31 48.591 +00 39 37.40 U F52
2022-09-01 07:37:32 C 21 31 48.648 +00 39 40.55 U F52
2022-09-01 07:54:11 C 21 31 48.705 +00 39 43.63 U F52
2022-09-01 08:10:47 C 21 31 48.765 +00 39 46.74 U F52
2022-09-16 03:39:35 C 21 39 29.581 +01 17 23.46 V G96
2022-09-16 03:47:43 C 21 39 29.812 +01 17 23.89 V G96
2022-09-16 03:55:51 C 21 39 30.028 +01 17 24.40 V G96
2022-09-16 04:03:59 C 21 39 30.233 +01 17 24.65 V G96
2022-09-16 16:14:16 C 21 39 53.16 +01 17 56.5 V D29