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
2021-04-30 06:55:47 C 13 59 56.930 -02 16 29.10 U F52
2021-04-30 07:09:41 C 13 59 55.986 -02 16 23.24 U F52
2021-04-30 07:14:17 C 13 59 55.683 -02 16 21.36 U F52
2021-04-30 07:28:13 C 13 59 54.744 -02 16 15.44 U F52
2021-04-30 07:32:49 C 13 59 54.435 -02 16 13.54 U F52
2021-04-30 07:46:49 C 13 59 53.583 -02 16 09.39 U F52
2021-04-30 07:51:24 C 13 59 53.187 -02 16 05.96 U F52
2021-05-01 07:00:05 C 13 58 22.39 -02 06 43.1 V G96
2021-05-01 07:08:08 C 13 58 21.84 -02 06 39.7 V G96
2021-05-01 07:16:11 C 13 58 21.30 -02 06 36.6 V G96
2021-05-01 07:24:13 C 13 58 20.79 -02 06 33.5 V G96
2021-05-08 08:31:20 C 13 48 05.667 -01 05 45.75 U F51
2021-05-08 08:47:08 C 13 48 04.750 -01 05 40.80 U F51
2021-05-08 09:02:56 C 13 48 03.834 -01 05 35.82 U F51
2021-05-14 07:41:31 C 13 40 40.088 -00 25 57.50 U F51
2021-05-14 07:56:33 C 13 40 39.359 -00 25 53.97 U F51
2021-05-14 10:43:40 C 13 40 31.147 -00 25 14.08 U F51
2021-05-14 10:58:30 C 13 40 30.424 -00 25 10.47 U F51
2023-04-24 11:41:53 C 15 31 40.722 -07 52 32.20 U F52
2023-04-24 11:59:30 C 15 31 39.633 -07 52 25.03 U F52
2023-04-24 12:17:03 C 15 31 38.530 -07 52 18.26 U F52
2023-04-24 12:34:35 C 15 31 37.426 -07 52 11.20 U F52
2023-05-13 08:45:23 C 15 02 18.964 -05 05 05.89 X F52
2023-05-13 09:03:00 C 15 02 17.786 -05 05 00.23 X F52
2023-05-13 09:20:38 C 15 02 16.608 -05 04 54.63 X F52
2023-05-13 11:14:18 C 15 02 09.036 -05 04 17.97 X F51
2023-05-13 11:15:13 C 15 02 08.968 -05 04 17.63 X F51
2023-05-13 11:32:37 C 15 02 07.815 -05 04 12.12 X F51
2023-05-13 11:33:33 C 15 02 07.755 -05 04 11.81 X F51
2023-05-13 11:50:57 C 15 02 06.596 -05 04 06.18 X F51
2023-05-13 11:51:52 C 15 02 06.535 -05 04 05.88 X F51
2023-05-13 12:09:12 C 15 02 05.396 -05 04 00.34 X F51
2023-05-13 12:10:08 C 15 02 05.327 -05 04 00.08 X F51
2023-06-08 07:58:58 C 14 29 07.781 -02 56 29.75 X F52
2023-06-08 08:17:40 C 14 29 07.053 -02 56 28.18 X F52
2023-06-08 08:55:03 C 14 29 05.603 -02 56 25.05 X F52
2025-04-24 13:49:01 C 16 38 16.220 -10 09 55.31 X F51
2025-04-24 14:04:18 C 16 38 15.552 -10 09 50.35 X F51
2025-04-24 14:34:40 C 16 38 14.226 -10 09 40.68 X F51
2025-05-30 09:59:30 C 15 46 52.724 -05 57 10.68 X F51
2025-05-30 10:16:42 C 15 46 51.579 -05 57 06.90 X F51
2025-05-30 10:33:51 C 15 46 50.444 -05 57 02.99 X F51
2025-06-30 08:11:39 C 15 10 20.245 -04 53 19.92 X F52
2025-06-30 08:28:18 C 15 10 19.732 -04 53 20.37 X F52
2025-06-30 08:44:52 C 15 10 19.236 -04 53 21.09 X F52
2025-06-30 09:01:27 C 15 10 18.737 -04 53 21.80 X F52