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
2017-10-16 05:10:29 C 23 46 51.25 +12 30 28.8 U I52
2017-10-16 05:19:37 C 23 46 51.30 +12 30 25.8 U I52
2017-10-16 05:28:44 C 23 46 51.35 +12 30 22.8 U I52
2017-10-16 05:38:17 C 23 46 51.43 +12 30 19.6 U I52
2017-10-16 08:32:29 C 23 46 52.53 +12 29 22.0 o 691
2017-10-16 08:46:05 C 23 46 52.64 +12 29 17.4 o 691
2017-10-16 08:59:15 C 23 46 52.74 +12 29 12.6 o 691
2017-10-17 04:53:36 C 23 47 07.68 +12 22 46.1 U I52
2017-10-17 05:04:03 C 23 47 07.74 +12 22 42.6 U I52
2017-10-17 05:12:29 C 23 47 07.84 +12 22 40.2 U I52
2017-10-17 05:21:14 C 23 47 07.89 +12 22 37.4 U I52
2017-10-18 03:51:49 C 23 47 25.33 +12 15 23.1 u H21
2017-10-18 04:04:23 C 23 47 25.45 +12 15 19.1 u H21
2017-10-18 04:23:25 C 23 47 25.62 +12 15 13.0 u H21
2017-10-23 05:06:37 C 23 49 31.82 +11 39 05.1 U G96
2017-10-23 05:14:07 C 23 49 31.98 +11 39 03.0 U G96
2017-10-23 05:18:36 C 23 49 32.05 +11 39 01.8 o 691
2017-10-23 05:21:36 C 23 49 32.11 +11 39 00.7 U G96
2017-10-23 05:28:22 C 23 49 32.21 +11 38 59.3 o 691
2017-10-23 05:29:14 C 23 49 32.18 +11 38 58.6 U G96
2017-10-23 05:53:53 C 23 49 32.63 +11 38 52.0 o 691
2017-10-27 04:29:04 C 23 51 49.24 +11 14 02.3 o 291
2017-10-27 04:41:32 C 23 51 49.52 +11 13 59.0 o 291
2017-10-27 04:53:59 C 23 51 49.79 +11 13 56.0 o 291
2017-11-10 01:53:58 C 00 03 43.10 +10 16 24.5 u H21
2017-11-10 02:15:18 C 00 03 43.95 +10 16 23.1 u H21
2017-11-10 02:38:54 C 00 03 44.89 +10 16 20.1 u H21
2017-11-22 05:41:10 C 00 18 11.490 +10 05 19.42 V F51
2019-03-08 10:22:43 C 11 43 38.201 -05 33 59.47 V T12
2022-06-21 11:11:11 C 21 02 38.359 -15 56 32.46 U F52
2022-06-21 11:28:41 C 21 02 39.258 -15 56 21.29 U F52
2022-06-21 11:46:16 C 21 02 40.181 -15 56 10.37 U F52
2022-06-21 12:03:46 C 21 02 41.063 -15 55 59.42 U F52
2022-06-24 13:33:28 C 21 06 40.634 -15 08 50.92 U F52
2022-06-24 13:48:13 C 21 06 41.320 -15 08 41.34 U F52
2022-06-24 14:02:54 C 21 06 42.030 -15 08 31.88 U F52
2022-07-06 12:00:03 C 21 19 29.976 -11 53 29.95 U F52
2022-07-06 12:14:49 C 21 19 30.424 -11 53 19.40 U F52
2022-07-06 12:44:22 C 21 19 31.306 -11 52 58.58 U F52
2022-07-23 17:42:29 C 21 29 39.08 -06 56 09.3 V D29
2022-07-23 18:02:51 C 21 29 39.23 -06 55 54.4 V D29
2022-07-23 18:23:13 C 21 29 39.31 -06 55 40.0 V D29
2022-07-26 17:36:23 C 21 30 24.54 -06 06 01.3 V D29
2022-07-26 17:56:45 C 21 30 24.60 -06 05 47.2 V D29
2022-07-26 18:17:06 C 21 30 24.62 -06 05 33.4 V D29
2022-07-27 09:06:32 C 21 30 33.421 -05 55 18.10 U F52
2022-07-27 09:23:59 C 21 30 33.507 -05 55 06.31 U F52
2022-07-27 09:41:23 C 21 30 33.500 -05 54 54.52 U F52
2022-07-27 09:58:51 C 21 30 33.531 -05 54 42.47 U F52
2022-08-01 22:57:28 C 21 31 12.51 -04 27 01.3 X C95