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
2019-03-18 11:30:10 C 13 10 45.72 -05 15 30.0 V T08
2019-03-18 11:42:20 C 13 10 44.51 -05 15 17.4 V T08
2019-03-18 12:00:40 C 13 10 42.46 -05 14 57.0 V T08
2019-03-25 16:39:02 C 12 53 20.85 -02 16 01.0 q D29
2019-03-25 16:59:24 C 12 53 18.79 -02 15 40.9 q D29
2019-03-25 17:19:45 C 12 53 16.71 -02 15 20.2 q D29
2019-03-26 11:26:37 C 12 51 31.95 -01 57 36.3 V T08
2019-03-26 11:39:35 C 12 51 30.67 -01 57 23.7 V T08
2019-03-26 11:51:47 C 12 51 29.46 -01 57 11.8 V T08
2019-03-26 12:04:44 C 12 51 28.17 -01 56 59.1 V T08
2019-03-28 11:23:40 C 12 47 00.35 -01 12 00.6 V T05
2019-03-28 11:36:53 C 12 46 59.06 -01 11 48.4 V T05
2019-03-28 11:50:48 C 12 46 57.73 -01 11 35.6 V T05
2019-03-28 12:03:51 C 12 46 56.47 -01 11 23.2 V T05
2019-03-29 07:35:47 C 12 45 08.81 -00 53 25.4 V G96
2019-03-29 07:43:12 C 12 45 08.10 -00 53 18.5 V G96
2019-03-29 07:50:35 C 12 45 07.41 -00 53 11.9 V G96
2019-03-29 07:57:58 C 12 45 06.71 -00 53 05.1 V G96
2019-03-29 09:04:02 C 12 45 00.45 -00 52 03.8 V 703
2019-03-29 09:11:38 C 12 44 59.69 -00 51 58.4 V 703
2019-03-29 09:19:13 C 12 44 59.04 -00 51 50.3 V 703
2019-03-29 09:26:47 C 12 44 58.32 -00 51 43.3 V 703
2019-03-29 15:44:47 C 12 44 24.37 -00 46 00.6 q D29
2019-03-29 16:05:09 C 12 44 22.44 -00 45 42.1 q D29
2019-03-29 16:25:31 C 12 44 20.59 -00 45 23.8 q D29
2019-03-30 11:09:33 C 12 42 39.15 -00 28 32.6 V T08
2019-03-30 11:22:34 C 12 42 37.91 -00 28 21.3 V T08
2019-03-30 11:34:42 C 12 42 36.81 -00 28 10.3 V T08
2019-03-30 11:47:36 C 12 42 35.62 -00 27 59.1 V T08
2019-04-01 05:55:37 C 12 38 54.52 +00 08 31.9 V 703
2019-04-01 06:05:05 C 12 38 53.73 +00 08 39.6 V 703
2019-04-01 06:14:34 C 12 38 52.88 +00 08 47.9 V 703
2019-04-01 06:24:02 C 12 38 52.04 +00 08 56.1 V 703
2019-04-02 09:31:02 C 12 36 34.093 +00 31 34.57 U F51
2019-04-02 09:47:53 C 12 36 32.623 +00 31 48.39 U F51
2019-04-02 10:04:48 C 12 36 31.150 +00 32 02.27 U F51
2019-04-03 10:53:53 C 12 34 28.16 +00 52 04.2 V T08
2019-04-03 11:06:34 C 12 34 27.07 +00 52 14.2 V T08
2019-04-03 11:18:28 C 12 34 26.03 +00 52 23.3 V T08
2019-04-03 11:31:14 C 12 34 24.98 +00 52 34.1 V T08
2019-04-04 15:18:13 C 12 32 11.91 +01 14 10.1 q D29
2019-04-04 15:38:35 C 12 32 10.25 +01 14 25.7 q D29
2019-04-04 15:58:58 C 12 32 08.58 +01 14 41.5 q D29
2019-04-05 10:50:10 C 12 30 40.39 +01 28 57.0 V T05
2019-04-05 11:03:24 C 12 30 39.33 +01 29 06.6 V T05
2019-04-05 11:16:33 C 12 30 38.28 +01 29 16.7 V T05
2019-04-05 11:30:08 C 12 30 37.18 +01 29 26.6 V T05
2019-04-06 04:18:31 C 12 29 21.20 +01 41 45.4 V 703
2019-04-06 04:26:22 C 12 29 20.61 +01 41 51.4 V 703
2019-04-06 04:34:13 C 12 29 19.95 +01 41 56.3 V 703