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
2022-09-16 16:34:38 C 21 39 53.73 +01 17 56.8 V D29
2022-09-18 08:11:56 C 21 41 17.301 +01 19 30.61 U F51
2022-09-18 08:30:16 C 21 41 17.831 +01 19 31.11 U F51
2022-09-18 08:48:42 C 21 41 18.369 +01 19 31.76 U F51
2022-09-22 07:52:17 C 21 45 00.954 +01 21 56.69 U F51
2022-09-22 08:31:03 C 21 45 02.317 +01 21 57.37 U F51
2022-09-22 08:50:34 C 21 45 03.012 +01 21 57.82 U F51
2022-09-26 02:50:19 C 21 49 05.092 +01 23 18.20 V G96
2022-09-26 02:58:19 C 21 49 05.423 +01 23 17.92 V G96
2022-09-26 03:06:18 C 21 49 05.761 +01 23 18.38 V G96
2022-09-26 03:14:18 C 21 49 06.121 +01 23 18.38 V G96
2022-09-27 05:56:05 C 21 50 23.341 +01 23 44.11 U F52
2022-09-27 06:27:20 C 21 50 24.695 +01 23 44.48 U F52
2022-09-27 06:43:01 C 21 50 25.363 +01 23 44.77 U F52
2022-09-29 13:27:52 C 21 53 10.83 +01 24 26.0 V D29
2022-09-29 14:08:36 C 21 53 12.69 +01 24 26.6 V D29