9162 Kwiila (1987 OA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5954791131 ± 1.05e-08
Semi-major axis (a)1.4966859891 AU ± 3.11e-10
Inclination (i)9.00982902° ± 2.01e-06
Long. of Asc. Node (Ω)179.97758682° ± 1.10e-05
Arg. of Perihelion (ω)235.85023444° ± 1.08e-05
Mean Anomaly (M)292.60219626° ± 1.35e-06
Mean Motion (n)0.5382899066°/day ± 1.68e-10
Perihelion dist (q)0.60544074 AU ± 1.57e-08
Aphelion dist (Q)2.38793123 AU ± 1.58e-08
Orbital Period1.83103244 yr ± 5.71e-10
Physical Parameters
H (abs. magnitude)18.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.295″
Uncertainty0
Orbit TypeApollo
MOID0.080729 AU
Observations Used733
Oppositions17
Arc Total1987-2025
First Observation Used1987-07-18
Last Observation Used2025-06-30
Observations (796)
Date Type RA Dec Mag Band Observatory
2006-04-26 04:27:15 C 08 07 02.46 +18 05 58.7 r G96
2006-04-26 04:33:36 C 08 07 03.61 +18 05 57.3 r G96
2007-06-18 06:25:12 C 17 55 47.79 -04 56 27.3 o H55
2007-06-18 06:36:19 C 17 55 46.92 -04 56 24.2 o H55
2007-06-18 06:47:01 C 17 55 46.07 -04 56 22.7 o H55
2008-02-28 11:29:32 C 13 34 08.32 -13 17 06.9 r 703
2008-02-28 11:40:31 C 13 34 07.06 -13 16 52.7 r 703
2008-02-28 11:51:36 C 13 34 05.77 -13 16 38.1 r 703
2008-02-28 12:02:47 C 13 34 04.47 -13 16 24.1 r 703
2008-03-03 09:27:24 C 13 23 30.00 -11 14 03.1 o 691
2008-03-03 09:52:49 C 13 23 26.93 -11 13 29.4 o 691
2008-03-03 10:23:15 C 13 23 23.29 -11 12 49.1 o 691
2008-03-04 09:12:29 C 13 20 45.17 -10 42 26.5 18.5 c 704
2008-03-04 09:29:06 C 13 20 43.12 -10 42 04.3 18.2 c 704
2008-03-04 09:45:45 C 13 20 41.12 -10 41 42.5 18.3 c 704
2008-03-04 10:02:16 C 13 20 39.12 -10 41 20.4 17.9 c 704
2008-03-04 10:18:47 C 13 20 37.07 -10 40 57.7 18.1 c 704
2008-03-06 09:39:33 C 13 15 05.90 -09 37 39.3 o 691
2008-03-06 10:05:00 C 13 15 02.77 -09 37 04.9 o 691
2008-03-06 10:30:26 C 13 14 59.68 -09 36 30.9 o 691
2008-03-08 10:40:31 C 13 09 20.60 -08 31 59.0 18.2 c 704
2008-03-08 10:56:34 C 13 09 18.65 -08 31 37.4 18.4 c 704
2008-03-08 11:12:33 C 13 09 16.68 -08 31 16.0 18.5 c 704
2008-03-08 11:29:29 C 13 09 14.63 -08 30 53.4 18.7 c 704
2008-03-10 08:04:18 C 13 04 02.19 -07 31 25.1 o 691
2008-03-10 08:29:47 C 13 03 59.09 -07 30 51.3 o 691
2008-03-10 08:55:17 C 13 03 56.02 -07 30 16.9 o 691
2008-03-11 07:51:49 C 13 01 15.64 -06 59 54.3 18.2 c 704
2008-03-11 08:07:49 C 13 01 13.72 -06 59 33.1 18.3 c 704
2008-03-11 08:23:52 C 13 01 11.78 -06 59 11.9 18.3 c 704
2008-03-11 08:40:06 C 13 01 09.84 -06 58 50.5 18.4 c 704
2008-03-11 08:56:08 C 13 01 07.88 -06 58 29.2 18.2 c 704
2008-03-12 07:36:27 C 12 58 30.39 -06 28 40.0 17.9 c 704
2008-03-12 07:43:23 C 12 58 29.57 -06 28 31.4 18.0 c 704
2008-03-12 07:52:20 C 12 58 28.36 -06 28 20.5 18.9 c 704
2008-03-12 07:59:13 C 12 58 27.65 -06 28 10.3 18.1 c 704
2008-03-12 08:08:08 C 12 58 26.52 -06 27 59.2 18.5 c 704
2008-03-12 08:15:10 C 12 58 25.76 -06 27 50.0 18.4 c 704
2008-03-12 08:30:56 C 12 58 23.86 -06 27 29.0 18.4 c 704
2008-03-12 08:40:16 C 12 58 22.68 -06 27 17.1 18.3 c 704
2008-03-12 08:46:45 C 12 58 21.94 -06 27 08.8 18.4 c 704
2008-03-13 08:17:24 C 12 55 39.62 -05 56 28.5 o 691
2008-03-13 08:39:14 C 12 55 37.00 -05 56 00.1 o 691
2008-03-13 09:01:07 C 12 55 34.40 -05 55 31.8 o 691
2008-03-25 23:17:56 C 12 23 54.68 -00 02 21.7 r 130
2008-03-25 23:21:41 C 12 23 54.27 -00 02 17.8 r 130
2008-03-25 23:25:09 C 12 23 53.95 -00 02 14.1 r 130
2008-03-25 23:27:20 C 12 23 53.80 -00 02 12.5 r 130
2008-03-26 08:46:33 C 12 23 02.50 +00 07 09.3 r G96
2008-03-26 08:54:37 C 12 23 01.75 +00 07 17.3 r G96