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
2014-05-07 11:36:56 C 16 15 45.276 -08 21 16.33 L F51
2014-05-20 10:26:18 C 15 55 52.103 -06 46 11.42 L F51
2014-05-20 10:43:56 C 15 55 50.909 -06 46 06.54 L F51
2014-05-20 11:18:31 C 15 55 48.561 -06 45 56.62 L F51
2014-06-29 08:31:55 C 15 05 35.859 -04 43 53.40 L F51
2014-06-29 08:50:44 C 15 05 35.310 -04 43 54.12 L F51
2014-06-29 09:09:34 C 15 05 34.746 -04 43 55.05 L F51
2016-06-04 00:55:44 C 16 48 42.26 -06 44 44.5 c J04
2016-06-04 01:17:34 C 16 48 40.64 -06 44 39.9 c J04
2016-06-04 08:15:59 C 16 48 10.58 -06 43 13.8 q G96
2016-06-04 08:19:39 C 16 48 10.29 -06 43 12.8 q G96
2016-06-04 08:23:19 C 16 48 10.00 -06 43 12.2 q G96
2016-06-04 08:26:58 C 16 48 09.73 -06 43 11.0 q G96
2016-06-04 09:27:02 C 16 48 05.36 -06 42 59.2 q G96
2016-06-04 09:29:58 C 16 48 05.12 -06 42 58.5 q G96
2016-06-04 09:33:00 C 16 48 04.91 -06 42 57.1 q G96
2016-06-05 08:52:16 C 16 46 24.642 -06 38 11.09 L F51
2016-06-05 09:07:37 C 16 46 23.511 -06 38 08.17 L F51
2016-06-05 09:22:54 C 16 46 22.375 -06 38 05.07 L F51
2016-06-05 09:38:10 C 16 46 21.245 -06 38 01.98 L F51
2016-06-07 11:21:02 C 16 42 45.858 -06 28 24.75 L F51
2016-06-07 11:37:07 C 16 42 44.665 -06 28 21.78 L F51
2016-06-29 08:54:37 C 16 07 56.822 -05 37 15.79 L F51
2016-06-29 09:09:40 C 16 07 55.954 -05 37 15.84 L F51
2016-06-29 09:24:46 C 16 07 55.093 -05 37 15.69 L F51
2016-06-29 09:39:54 C 16 07 54.228 -05 37 15.67 L F51
2016-07-04 03:50:49 C 16 02 00.18 -05 39 24.9 q G96
2016-07-04 04:04:15 C 16 01 59.57 -05 39 25.2 q G96
2016-07-04 04:10:59 C 16 01 59.18 -05 39 25.8 q G96
2016-07-06 07:34:18 C 15 59 35.964 -05 41 53.79 L F51
2016-07-06 07:51:31 C 15 59 35.161 -05 41 54.81 L F51
2016-07-06 08:08:45 C 15 59 34.355 -05 41 55.87 L F51
2016-07-06 08:25:58 C 15 59 33.552 -05 41 56.71 L F51
2017-04-09 05:53:32 C 07 13 41.243 +18 03 58.93 L F51
2017-04-09 06:11:45 C 07 13 45.588 +18 04 00.59 L F51
2017-04-09 06:29:58 C 07 13 49.939 +18 04 02.04 L F51
2018-07-11 14:25:02 C 17 20 57.91 -03 49 22.4 q D29
2018-07-11 14:45:23 C 17 20 56.12 -03 49 23.3 q D29
2018-07-11 15:05:45 C 17 20 54.28 -03 49 24.4 q D29
2018-08-01 06:40:14 C 16 46 14.157 -05 16 16.25 U F51
2018-08-01 06:57:32 C 16 46 13.250 -05 16 21.19 U F51
2018-08-01 07:14:48 C 16 46 12.347 -05 16 25.79 U F51
2018-08-01 07:32:06 C 16 46 11.439 -05 16 30.61 U F51
2019-01-16 15:02:32 C 14 29 22.02 -24 16 08.8 V T08
2019-01-16 15:24:17 C 14 29 21.79 -24 15 57.7 V T08
2019-01-16 15:28:16 C 14 29 21.81 -24 15 56.2 V T08
2019-01-16 15:43:53 C 14 29 21.57 -24 15 47.8 V T08
2019-01-17 12:42:43 C 14 29 15.21 -24 04 55.5 V 703
2019-01-17 12:50:04 C 14 29 15.20 -24 04 52.0 V 703
2019-01-17 12:57:25 C 14 29 15.16 -24 04 48.5 V 703