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
2019-01-17 13:04:46 C 14 29 14.98 -24 04 44.5 V 703
2019-02-01 01:57:25 S 14 25 50.55 -21 02 49.9 L C51
2019-02-01 05:05:44 S 14 25 46.95 -21 01 05.4 L C51
2019-02-01 08:14:14 S 14 25 43.337 -20 59 20.54 L C51
2019-02-01 11:22:33 S 14 25 39.607 -20 57 35.64 L C51
2019-02-01 11:22:44 S 14 25 39.643 -20 57 34.74 L C51
2019-02-01 12:56:04 S 14 25 37.79 -20 56 43.8 L C51
2019-02-01 12:56:15 S 14 25 37.76 -20 56 43.8 L C51
2019-02-01 14:06:20 C 14 25 37.42 -20 56 16.2 V T08
2019-02-01 14:16:57 C 14 25 37.27 -20 56 11.8 V T08
2019-02-01 14:19:36 C 14 25 37.12 -20 56 10.9 V T08
2019-02-01 14:36:13 C 14 25 36.73 -20 56 01.9 V T08
2019-02-01 16:05:18 S 14 25 34.01 -20 54 57.3 L C51
2019-02-01 19:13:48 S 14 25 30.20 -20 53 13.2 L C51
2019-02-05 15:08:23 C 14 23 18.099 -20 00 05.11 U F52
2019-02-05 15:21:25 C 14 23 17.674 -19 59 57.24 U F52
2019-02-05 15:34:24 C 14 23 17.251 -19 59 49.48 U F52
2019-02-13 14:30:15 C 14 16 11.18 -17 54 40.5 V T08
2019-02-13 14:44:02 C 14 16 10.48 -17 54 30.8 V T08
2019-02-13 14:45:22 C 14 16 10.42 -17 54 29.7 V T08
2019-02-13 15:06:37 C 14 16 09.36 -17 54 13.9 V T08
2019-02-14 04:21:59 C 14 15 31.53 -17 44 46.9 V C95
2019-02-14 04:27:36 C 14 15 31.23 -17 44 42.5 V C95
2019-02-14 04:33:11 C 14 15 30.95 -17 44 38.7 V C95
2019-02-18 13:21:27 C 14 09 52.91 -16 24 33.0 q E89
2019-02-28 04:02:56 C 13 53 23.67 -13 01 08.9 q Z45
2019-02-28 04:30:50 C 13 53 21.24 -13 00 42.1 q Z45
2019-03-02 13:10:53 C 13 48 30.49 -12 04 50.0 V T08
2019-03-02 13:24:52 C 13 48 29.15 -12 04 35.5 V T08
2019-03-02 13:38:00 C 13 48 27.96 -12 04 22.5 V T08
2019-03-02 13:52:29 C 13 48 26.59 -12 04 08.1 V T08
2019-03-05 13:50:55 C 13 41 53.82 -10 50 11.1 q E89
2019-03-05 14:17:49 C 13 41 51.29 -10 49 43.2 q E89
2019-03-06 09:57:18 C 13 39 59.81 -10 29 24.5 V 703
2019-03-06 10:04:59 C 13 39 59.07 -10 29 16.3 V 703
2019-03-06 10:12:38 C 13 39 58.31 -10 29 08.3 V 703
2019-03-06 10:20:18 C 13 39 57.53 -10 29 01.1 V 703
2019-03-14 12:10:09 C 13 20 35.94 -06 59 14.7 V T08
2019-03-14 12:22:43 C 13 20 34.57 -06 59 01.4 V T08
2019-03-14 12:34:33 C 13 20 33.30 -06 58 48.4 V T08
2019-03-14 12:48:10 C 13 20 31.87 -06 58 33.4 V T08
2019-03-15 08:49:54 C 13 18 28.17 -06 36 41.3 V 703
2019-03-15 08:57:26 C 13 18 27.33 -06 36 33.1 V 703
2019-03-15 09:04:58 C 13 18 26.54 -06 36 25.1 V 703
2019-03-15 09:12:30 C 13 18 25.75 -06 36 16.6 V 703
2019-03-18 05:56:36 C 13 11 20.61 -05 21 32.5 V G96
2019-03-18 06:04:01 C 13 11 19.82 -05 21 24.5 V G96
2019-03-18 06:11:25 C 13 11 19.04 -05 21 16.6 V G96
2019-03-18 06:18:51 C 13 11 18.28 -05 21 09.0 V G96
2019-03-18 11:28:51 C 13 10 45.90 -05 15 31.9 V T08