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
2008-03-26 09:02:38 C 12 23 00.99 +00 07 25.2 r G96
2008-03-26 09:10:37 C 12 23 00.24 +00 07 33.3 r G96
2008-03-29 07:22:35 C 12 16 54.46 +01 14 09.5 18.2 c 704
2008-03-29 07:40:04 C 12 16 52.92 +01 14 25.7 18.7 c 704
2008-03-29 07:57:18 C 12 16 51.41 +01 14 41.4 18.8 c 704
2008-03-29 08:14:41 C 12 16 49.93 +01 14 56.9 18.6 c 704
2008-03-29 08:31:56 C 12 16 48.43 +01 15 12.6 18.5 c 704
2008-04-01 19:40:47 C 12 10 17.95 +02 25 46.7 r A13
2008-04-01 20:29:16 C 12 10 14.25 +02 26 25.3 r A13
2008-04-02 04:25:21 C 12 09 39.49 +02 32 42.7 18.9 c 704
2008-04-02 04:42:02 C 12 09 38.25 +02 32 56.1 19.1 c 704
2008-04-02 04:58:41 C 12 09 36.98 +02 33 08.8 18.9 c 704
2008-04-02 05:15:19 C 12 09 35.77 +02 33 21.5 19.0 c 704
2008-04-02 05:32:02 C 12 09 34.46 +02 33 34.7 18.9 c 704
2008-04-08 05:57:12 C 12 00 15.92 +04 13 22.0 18.8 c 704
2008-04-08 06:13:30 C 12 00 14.96 +04 13 32.1 18.8 c 704
2008-04-08 06:29:47 C 12 00 14.02 +04 13 41.3 19.0 c 704
2008-04-08 06:46:04 C 12 00 13.04 +04 13 51.2 18.7 c 704
2008-04-08 07:02:28 C 12 00 12.05 +04 14 01.5 18.8 c 704
2008-04-12 21:38:43 C 11 54 40.56 +05 13 09.1 18.9 c A77
2008-04-12 22:05:08 C 11 54 39.38 +05 13 21.7 19.3 c A77
2008-04-12 22:31:35 C 11 54 38.11 +05 13 33.9 19.3 c A77
2009-06-15 09:44:39 C 21 06 17.71 +02 26 44.2 r 703
2009-06-15 09:53:16 C 21 06 18.10 +02 26 50.7 r 703
2009-06-15 10:01:56 C 21 06 18.36 +02 27 00.0 r 703
2009-06-15 10:10:30 C 21 06 18.82 +02 27 06.1 r 703
2009-06-22 08:24:12 C 21 12 03.75 +04 44 17.7 19.1 c 704
2009-06-22 08:40:03 C 21 12 04.21 +04 44 30.9 20.0 c 704
2009-06-22 08:54:54 C 21 12 04.58 +04 44 44.2 19.5 c 704
2009-06-22 09:09:31 C 21 12 05.06 +04 44 56.6 19.4 c 704
2009-06-28 21:37:10 C 21 16 56.85 +07 13 14.1 r A13
2009-06-28 22:16:47 C 21 16 57.86 +07 13 52.7 r A13
2009-06-28 22:46:21 C 21 16 58.68 +07 14 22.5 r A13
2009-07-14 00:54:40 C 21 26 33.07 +15 04 58.1 w B40
2009-07-14 00:59:46 C 21 26 33.11 +15 05 07.1 w B40
2009-07-16 00:51:59 C 21 27 43.60 +16 29 54.0 c J05
2009-07-16 01:10:35 C 21 27 43.96 +16 30 28.5 c J05
2009-07-16 01:17:33 C 21 27 44.13 +16 30 41.3 c J05
2009-07-16 03:15:15 C 21 27 46.61 +16 34 25.2 r J51
2009-07-16 03:20:00 C 21 27 46.67 +16 34 34.3 r J51
2009-07-16 03:24:04 C 21 27 46.73 +16 34 42.0 r J51
2009-07-17 23:40:18 C 21 28 51.73 +18 00 56.0 17.7 r C20
2009-07-18 20:47:24 C 21 29 24.13 +18 45 03.1 17.5 r C20
2009-07-18 20:48:33 C 21 29 24.15 +18 45 05.4 17.7 r C20
2009-07-20 00:22:54 C 21 30 06.08 +19 46 03.3 r J51
2009-07-20 00:29:53 C 21 30 06.16 +19 46 19.6 r J51
2009-07-20 00:31:00 C 21 30 06.17 +19 46 22.3 r J51
2009-07-20 20:40:19 C 21 30 36.97 +20 33 15.2 17.4 r C20
2009-07-20 22:24:30 C 21 30 39.01 +20 37 27.2 17.0 r C20
2009-07-22 21:07:10 C 21 31 54.25 +22 36 19.9 16.9 r C20