2009 OP9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4757083804 ± 1.21e-07
Semi-major axis (a)2.0202307837 AU ± 9.54e-08
Inclination (i)13.41381027° ± 1.83e-05
Long. of Asc. Node (Ω)142.43936307° ± 3.26e-05
Arg. of Perihelion (ω)224.47885445° ± 4.37e-05
Mean Anomaly (M)229.88759421° ± 1.53e-04
Mean Motion (n)0.3432502004°/day ± 2.43e-08
Perihelion dist (q)1.05919007 AU ± 2.49e-07
Aphelion dist (Q)2.98127150 AU ± 2.82e-07
Orbital Period2.87145144 yr ± 2.03e-07
Physical Parameters
H (abs. magnitude)19.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.570″
Uncertainty0
Orbit TypeAmor
MOID0.113286 AU
Observations Used79
Oppositions9
Arc Total2009-2023
First Observation Used2009-07-29
Last Observation Used2023-06-15
Observations (81)
Date Type RA Dec Mag Band Observatory
2009-07-29 10:19:15 C 01 10 33.60 +07 24 49.0 r 703
2009-07-29 10:27:45 C 01 10 35.83 +07 24 47.0 r 703
2009-07-29 10:36:21 C 01 10 38.17 +07 24 45.5 r 703
2009-07-29 10:44:47 C 01 10 40.26 +07 24 40.0 r 703
2009-07-29 11:18:59 C 01 10 49.29 +07 24 31.0 r 703
2009-07-29 11:21:04 C 01 10 49.87 +07 24 30.8 r 703
2009-07-29 11:23:09 C 01 10 50.44 +07 24 30.6 r 703
2009-07-29 11:25:15 C 01 10 50.95 +07 24 28.6 r 703
2009-07-30 00:44:38 C 01 14 27.20 +07 20 14.3 r J95
2009-07-30 00:52:44 C 01 14 29.37 +07 20 13.5 r J95
2009-07-30 00:59:22 C 01 14 31.07 +07 20 11.3 r J95
2009-07-30 01:46:49 C 01 14 43.71 +07 19 57.8 v 204
2009-07-30 02:02:08 C 01 14 47.77 +07 19 53.0 v 204
2009-07-30 02:02:42 C 01 14 47.73 +07 19 54.4 c A79
2009-07-30 02:11:11 C 01 14 49.72 +07 19 50.2 c A79
2009-07-30 06:54:25 C 01 16 07.42 +07 18 20.5 o H55
2009-07-30 07:03:23 C 01 16 09.82 +07 18 17.5 o H55
2009-07-30 07:15:42 C 01 16 13.13 +07 18 13.6 o H55
2009-07-30 08:58:49 C 01 16 41.12 +07 17 42.7 o 291
2009-07-30 09:05:04 C 01 16 42.85 +07 17 40.4 o 291
2009-07-30 09:11:26 C 01 16 44.57 +07 17 38.2 o 291
2009-07-30 09:34:50 C 01 16 50.66 +07 17 31.4 c 854
2009-07-30 09:35:26 C 01 16 50.95 +07 17 29.9 r 703
2009-07-30 09:35:38 C 01 16 50.84 +07 17 30.3 o H01
2009-07-30 09:41:23 C 01 16 52.39 +07 17 28.5 o H01
2009-07-30 09:43:01 C 01 16 52.93 +07 17 28.8 r 703
2009-07-30 09:43:06 C 01 16 52.99 +07 17 29.4 c 854
2009-07-30 09:48:55 C 01 16 54.39 +07 17 25.9 o H01
2009-07-30 09:50:04 C 01 16 54.84 +07 17 25.9 c 854
2009-07-30 09:50:49 C 01 16 55.05 +07 17 25.8 r 703
2009-07-30 09:58:39 C 01 16 57.03 +07 17 22.2 r 703
2009-08-02 09:33:00 C 01 36 41.05 +06 49 58.9 19.6 c 704
2009-08-02 09:48:48 C 01 36 45.48 +06 49 50.7 19.4 c 704
2009-08-02 10:04:36 C 01 36 49.67 +06 49 43.7 19.6 c 704
2009-08-02 10:20:30 C 01 36 54.17 +06 49 37.6 19.5 c 704
2009-08-03 07:51:30 C 01 42 56.296 +06 39 51.35 o H55
2009-08-03 08:01:49 C 01 42 59.206 +06 39 46.76 o H55
2009-08-03 08:06:11 C 01 43 00.437 +06 39 44.64 o H55
2009-08-12 07:32:25 C 02 44 21.53 +04 29 48.9 o H55
2009-08-12 07:34:53 C 02 44 22.24 +04 29 47.4 o H55
2009-08-12 07:40:11 C 02 44 23.74 +04 29 44.6 o H55
2009-08-13 08:35:19 C 02 51 25.72 +04 11 33.5 o H55
2009-08-13 08:39:55 C 02 51 27.03 +04 11 30.1 o H55
2009-08-13 08:43:41 C 02 51 28.08 +04 11 26.9 o H55
2009-08-14 08:22:33 C 02 58 06.23 +03 53 47.6 o H55
2009-08-14 08:28:24 C 02 58 07.82 +03 53 42.6 o H55
2009-08-14 08:31:45 C 02 58 08.72 +03 53 39.5 o H55
2009-08-16 07:54:48 C 03 11 17.13 +03 17 11.6 o H55
2009-08-16 08:09:15 C 03 11 20.88 +03 16 59.7 o H55
2009-08-16 08:11:26 C 03 11 21.46 +03 16 57.6 o H55