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
2009-07-22 21:12:56 C 21 31 54.37 +22 36 35.6 17.0 r C20
2009-07-22 21:55:37 C 21 31 56.44 +22 38 29.0 c J05
2009-07-22 22:00:38 C 21 31 56.56 +22 38 42.9 c J05
2009-07-22 22:04:24 C 21 31 56.64 +22 38 53.3 c J05
2009-07-23 23:45:19 C 21 32 39.18 +23 50 53.8 v 204
2009-07-23 23:46:15 C 21 32 39.18 +23 50 56.7 v 204
2009-07-24 00:08:05 C 21 32 38.63 +23 52 00.6 17.2 r C20
2009-07-24 01:14:00 C 21 32 41.10 +23 55 12.4 v 204
2009-07-24 01:35:08 C 21 32 41.53 +23 56 13.8 v 204
2009-07-24 21:45:59 C 21 33 18.17 +24 56 49.6 17.2 r C20
2009-07-25 00:31:31 C 21 33 23.22 +25 05 24.5 w B19
2009-07-25 00:34:56 C 21 33 23.27 +25 05 35.5 w B19
2009-07-25 00:38:19 C 21 33 23.33 +25 05 46.0 w B19
2009-07-25 23:13:15 C 21 34 05.31 +26 18 27.1 17.2 r C20
2009-07-25 23:15:49 C 21 34 05.37 +26 18 35.6 17.3 r C20
2009-07-25 23:51:09 C 21 34 08.43 +26 20 40.1 r J51
2009-07-25 23:59:58 C 21 34 08.61 +26 21 10.0 r J51
2009-07-26 00:07:11 C 21 34 08.77 +26 21 34.5 r J51
2009-07-26 22:12:06 C 21 34 52.04 +27 37 42.9 17.1 r C20
2009-07-26 22:38:02 C 21 34 52.72 +27 39 15.7 16.7 r C20
2009-07-29 22:40:26 C 21 37 46.46 +32 29 56.8 w J10
2009-07-29 22:45:52 C 21 37 46.66 +32 30 21.8 w J10
2009-07-29 22:51:28 C 21 37 46.85 +32 30 47.4 w J10
2009-07-30 19:53:59 C 21 38 48.02 +34 10 12.8 16.4 r C20
2009-07-30 19:54:37 C 21 38 48.05 +34 10 16.0 16.3 r C20
2009-08-02 20:01:16 C 21 43 22.65 +40 56 57.8 w 160
2009-08-02 20:03:00 C 21 43 22.78 +40 57 08.9 w 160
2009-08-02 20:04:51 C 21 43 22.91 +40 57 21.3 w 160
2009-08-02 20:34:09 C 21 43 24.79 +41 00 36.2 o A94
2009-08-02 22:37:16 C 21 43 33.56 +41 13 55.3 o B84
2009-08-02 22:41:39 C 21 43 33.84 +41 14 24.7 o B84
2009-08-02 22:42:46 C 21 43 33.94 +41 14 31.9 o B84
2009-08-02 22:44:59 C 21 43 34.10 +41 14 46.2 o B84
2009-08-02 23:22:18 C 21 43 36.65 +41 18 52.0 o B84
2009-08-02 23:23:24 C 21 43 36.72 +41 18 59.3 o B84
2009-08-02 23:24:31 C 21 43 36.78 +41 19 06.4 o B84
2009-08-02 23:30:02 C 21 43 37.17 +41 19 43.0 o B84
2009-08-04 22:04:27 C 21 48 09.66 +46 55 32.4 v 204
2009-08-04 22:06:26 C 21 48 09.87 +46 55 48.2 v 204
2009-08-04 22:10:24 C 21 48 10.27 +46 56 19.9 v 204
2009-08-04 22:15:25 C 21 48 10.78 +46 57 00.0 v 204
2009-08-04 22:18:01 C 21 48 11.04 +46 57 20.6 v 204
2009-08-05 22:51:53 C 21 51 24.89 +50 21 49.5 o B75
2009-08-07 22:18:02 C 22 00 42.17 +57 57 20.6 v 160
2009-08-07 22:19:48 C 22 00 42.63 +57 57 38.7 v 160
2009-08-07 22:21:36 C 22 00 43.01 +57 57 58.3 v 160
2009-08-07 22:55:46 C 22 00 51.94 +58 03 43.0 o J16
2009-08-07 22:57:46 C 22 00 52.41 +58 04 04.1 o J16
2009-08-07 22:59:51 C 22 00 52.94 +58 04 26.3 o J16
2009-08-07 23:01:56 C 22 00 53.44 +58 04 48.4 o J16