IAA RAS IAA Minor Planet Database

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
2020-07-11 12:07:47 C 22 28 02.83 +17 24 41.1 – V T08
2020-07-11 12:11:41 C 22 28 03.32 +17 24 48.6 – V T08
2020-07-11 12:15:41 C 22 28 03.81 +17 24 56.5 – V T08
2020-07-11 12:24:18 C 22 28 04.86 +17 25 13.6 – V T08
2020-07-12 10:21:33 C 22 30 58.37 +18 08 52.8 – V 703
2020-07-12 10:29:16 C 22 30 59.38 +18 09 08.6 – V 703
2020-07-12 10:36:59 C 22 31 00.34 +18 09 24.8 – V 703
2020-07-12 10:44:43 C 22 31 01.37 +18 09 39.9 – V 703
2020-07-16 09:46:03 C 22 45 26.54 +21 40 57.2 – V 703
2020-07-16 09:52:40 C 22 45 27.66 +21 41 13.8 – V 703
2020-07-16 09:54:15 C 22 45 27.87 +21 41 17.3 – V G96
2020-07-16 09:59:18 C 22 45 28.70 +21 41 29.8 – V 703
2020-07-16 10:00:36 C 22 45 28.92 +21 41 32.8 – V G96
2020-07-16 10:05:57 C 22 45 29.84 +21 41 45.7 – V 703
2020-07-16 10:06:55 C 22 45 29.96 +21 41 48.2 – V G96
2020-07-16 10:13:16 C 22 45 31.00 +21 42 03.7 – V G96
2020-07-17 12:07:23 C 22 50 06.61 +22 46 47.5 – V T05
2020-07-17 12:11:22 C 22 50 07.31 +22 46 57.6 – V T05
2020-07-17 12:15:19 C 22 50 08.01 +22 47 07.8 – V T05
2020-07-17 12:37:44 C 22 50 11.94 +22 48 05.3 – V T05
2020-07-20 00:08:27 C 23 02 09.45 +25 29 45.8 – V 160
2020-07-20 00:11:25 C 23 02 10.08 +25 29 54.5 – V 160
2020-07-20 00:14:23 C 23 02 10.68 +25 30 03.2 – V 160
2020-07-21 00:49:35 C 23 07 47.91 +26 42 42.7 – V 196
2020-07-21 01:07:30 C 23 07 52.06 +26 43 37.0 – V 196
2020-07-21 01:30:33 C 23 07 57.44 +26 44 46.9 – V 196
2020-07-21 12:03:44 C 23 10 31.64 +27 17 22.7 – V T05
2020-07-21 12:33:28 C 23 10 38.72 +27 18 55.5 – V T05
2020-07-21 12:42:09 C 23 10 40.80 +27 19 22.5 – V T05
2020-07-21 23:24:28 C 23 13 23.49 +27 52 37.5 – V 196
2020-07-21 23:50:44 C 23 13 30.13 +27 54 01.2 – V 196
2020-07-22 00:12:19 C 23 13 35.57 +27 55 10.0 – V 196
2020-07-23 12:13:07 C 23 23 29.63 +29 53 43.5 – V T08
2020-07-23 12:42:43 C 23 23 38.02 +29 55 24.7 – V T08
2020-07-23 12:48:43 C 23 23 39.73 +29 55 45.2 – V T08
2020-07-23 13:16:07 C 23 23 47.50 +29 57 18.8 – V T08
2020-07-26 09:56:29 C 23 46 56.09 +34 05 17.2 – V 703
2020-07-26 10:04:12 C 23 46 58.93 +34 05 46.8 – V 703
2020-07-26 10:11:54 C 23 47 01.84 +34 06 16.1 – V 703
2020-07-26 10:19:39 C 23 47 04.76 +34 06 46.0 – V 703
2020-07-27 19:01:44 C 00 00 35.736 +36 14 05.69 – V O85
2020-07-27 19:03:17 C 00 00 36.380 +36 14 12.15 – V O85
2020-07-28 01:26:34 C 00 03 28.19 +36 39 26.6 – V 196
2020-07-28 01:42:54 C 00 03 35.49 +36 40 32.4 – V 196
2020-07-28 02:00:42 C 00 03 43.44 +36 41 44.4 – V 196
2020-07-28 10:42:50 C 00 07 45.39 +37 16 49.5 – V G96
2020-07-28 10:58:07 C 00 07 52.45 +37 17 51.1 – V G96
2020-07-28 11:06:23 C 00 07 56.22 +37 18 24.3 – V G96
2020-07-28 11:14:37 C 00 08 00.06 +37 18 57.4 – V G96
2020-07-28 12:54:36 C 00 08 48.65 +37 25 47.5 – V T08