2009 WD11

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4081630283 ± 1.46e-07
Semi-major axis (a)1.0663744591 AU ± 2.36e-09
Inclination (i)11.64948635° ± 1.22e-05
Long. of Asc. Node (Ω)65.29678649° ± 8.26e-06
Arg. of Perihelion (ω)127.49672771° ± 1.59e-05
Mean Anomaly (M)104.70049892° ± 1.26e-05
Mean Motion (n)0.8950507775°/day ± 2.98e-09
Perihelion dist (q)0.63111983 AU ± 1.56e-07
Aphelion dist (Q)1.50162909 AU ± 1.56e-07
Orbital Period1.10119594 yr ± 3.66e-09
Physical Parameters
H (abs. magnitude)21.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.347″
Uncertainty0
Orbit TypeApollo
MOID0.074590 AU
Observations Used144
Oppositions1
Arc Total2009-2022
First Observation Used2009-11-20
Last Observation Used2022-09-20
Observations (147)
Date Type RA Dec Mag Band Observatory
2009-11-20 09:00:50 C 05 34 04.00 +20 37 39.7 o 691
2009-11-20 09:26:24 C 05 34 02.06 +20 38 16.0 o 691
2009-11-20 09:51:59 C 05 34 00.14 +20 38 52.5 o 691
2009-11-20 10:57:35 C 05 33 55.20 +20 40 24.9 o 291
2009-11-20 11:03:18 C 05 33 54.73 +20 40 33.3 o 291
2009-11-20 11:25:19 C 05 33 53.05 +20 41 02.0 o H01
2009-11-20 11:30:33 C 05 33 52.66 +20 41 09.3 o H01
2009-11-20 11:39:01 C 05 33 52.04 +20 41 21.2 o H01
2009-11-20 11:43:55 C 05 33 51.68 +20 41 28.1 o H01
2009-11-20 21:10:24 C 05 33 15.82 +20 55 01.6 c A50
2009-11-20 21:12:31 C 05 33 15.63 +20 55 05.5 c A50
2009-11-20 21:19:09 C 05 33 15.15 +20 55 13.2 c A50
2009-11-20 21:20:13 C 05 33 15.08 +20 55 16.1 c A50
2009-11-21 06:30:59 C 05 32 36.43 +21 09 09.9 o 291
2009-11-21 06:36:41 C 05 32 35.97 +21 09 18.8 o 291
2009-11-21 06:45:43 C 05 32 35.22 +21 09 32.7 o 291
2009-11-21 07:11:09 C 05 32 32.23 +21 10 08.0 o H21
2009-11-21 07:20:50 C 05 32 31.43 +21 10 23.3 o H21
2009-11-21 07:28:40 C 05 32 30.80 +21 10 34.8 o H21
2009-11-21 08:01:28 C 05 32 28.83 +21 11 28.1 o H01
2009-11-21 08:08:28 C 05 32 28.25 +21 11 38.8 o H01
2009-11-21 08:18:44 C 05 32 27.39 +21 11 54.5 o H01
2009-11-21 08:19:05 C 05 32 26.89 +21 11 52.8 r H36
2009-11-21 08:25:43 C 05 32 26.38 +21 12 01.7 r H36
2009-11-21 08:32:22 C 05 32 25.81 +21 12 11.5 r H36
2009-11-21 11:50:51 C 05 32 09.91 +21 17 17.1 c 926
2009-11-21 11:55:25 C 05 32 09.47 +21 17 23.1 c 926
2009-11-21 11:59:59 C 05 32 09.14 +21 17 30.2 c 926
2009-11-22 08:37:52 C 05 30 34.39 +21 50 13.8 r 703
2009-11-22 08:53:50 C 05 30 32.82 +21 50 40.7 r 703
2009-11-22 09:01:46 C 05 30 32.14 +21 50 53.9 r 703
2009-11-23 07:18:52 C 05 28 37.74 +22 28 30.7 o 291
2009-11-23 07:25:03 C 05 28 37.14 +22 28 40.8 o 291
2009-11-23 07:31:04 C 05 28 36.45 +22 28 52.8 o 291
2009-11-25 08:12:01 C 05 23 39.31 +24 00 11.7 o 691
2009-11-25 08:37:39 C 05 23 36.34 +24 01 02.0 o 691
2009-11-26 00:02:57 C 05 21 49.53 +24 32 52.3 o J13
2009-11-26 00:03:29 C 05 21 49.50 +24 32 53.3 o J13
2009-11-26 00:04:01 C 05 21 49.41 +24 32 54.2 o J13
2009-11-26 00:04:33 C 05 21 49.36 +24 32 55.5 o J13
2009-11-27 10:07:03 C 05 17 19.18 +25 48 31.0 o 291
2009-11-27 10:13:12 C 05 17 18.22 +25 48 45.3 o 291
2009-11-27 10:19:18 C 05 17 17.33 +25 48 58.7 o 291
2009-12-04 00:23:57 C 04 44 31.87 +33 38 20.6 r J95
2009-12-04 00:29:31 C 04 44 30.10 +33 38 40.4 r J95
2009-12-04 00:35:05 C 04 44 28.34 +33 39 00.6 r J95
2009-12-04 06:57:30 C 04 42 34.28 +34 03 02.5 c 926
2009-12-04 06:59:43 C 04 42 33.55 +34 03 10.4 c 926
2009-12-04 07:01:56 C 04 42 32.91 +34 03 19.1 c 926
2009-12-05 07:13:53 C 04 34 39.32 +35 36 40.3 c H28