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
2009-12-05 07:26:13 C 04 34 34.65 +35 37 29.1 c H28
2009-12-05 21:41:48 C 04 29 30.41 +36 34 53.5 c A53
2009-12-05 21:57:11 C 04 29 24.31 +36 35 57.2 c A53
2009-12-05 22:12:58 C 04 29 18.16 +36 37 02.3 c A53
2009-12-08 04:51:02 C 04 05 35.45 +40 34 07.9 r 932
2009-12-08 04:54:05 C 04 05 33.85 +40 34 21.4 r 932
2009-12-08 04:57:42 C 04 05 31.99 +40 34 38.2 r 932
2009-12-08 05:00:58 C 04 05 30.27 +40 34 53.2 r 932
2009-12-08 05:03:27 C 04 05 29.00 +40 35 03.4 r 932
2009-12-08 21:53:31 C 03 56 40.82 +41 52 06.6 v 204
2009-12-08 22:05:32 C 03 56 33.93 +41 53 02.3 v 204
2009-12-08 22:14:18 C 03 56 28.92 +41 53 42.8 v 204
2009-12-09 15:17:52 C 03 46 43.30 +43 12 38.4 19.4 o C20
2009-12-09 21:18:55 C 03 42 57.06 +43 41 05.0 c 560
2009-12-09 21:20:08 C 03 42 56.31 +43 41 11.2 c 560
2009-12-09 21:21:21 C 03 42 55.52 +43 41 17.3 c 560
2009-12-10 17:33:06 C 03 29 39.19 +45 15 05.2 w 160
2009-12-10 17:35:56 C 03 29 37.19 +45 15 19.3 w 160
2009-12-10 17:37:21 C 03 29 36.19 +45 15 25.7 w 160
2009-12-10 17:39:17 C 03 29 34.81 +45 15 34.7 w 160
2009-12-10 17:41:12 C 03 29 33.48 +45 15 43.8 w 160
2009-12-10 20:47:55 C 03 27 18.13 +45 30 25.1 u A48
2009-12-10 20:51:36 C 03 27 15.40 +45 30 42.3 u A48
2009-12-10 20:55:17 C 03 27 12.72 +45 30 59.3 u A48
2009-12-10 20:58:58 C 03 27 10.02 +45 31 16.5 u A48
2009-12-10 23:03:36 C 03 25 35.42 +45 40 34.6 19.0 o C20
2009-12-10 23:05:50 C 03 25 33.75 +45 40 44.9 19.1 o C20
2009-12-12 04:21:01 C 03 02 51.01 +47 52 40.4 r 932
2009-12-12 04:23:45 C 03 02 48.69 +47 52 52.3 r 932
2009-12-12 04:26:57 C 03 02 45.94 +47 53 06.0 r 932
2009-12-12 04:30:10 C 03 02 43.13 +47 53 19.6 r 932
2009-12-12 04:32:39 C 03 02 40.97 +47 53 30.1 r 932
2009-12-17 00:22:26 C 00 59 07.10 +53 20 04.5 r 932
2009-12-17 00:23:57 C 00 59 05.21 +53 20 05.3 r 932
2009-12-17 00:28:22 C 00 58 59.62 +53 20 07.6 r 932
2020-11-13 13:04:15 C 04 53 55.962 +14 34 02.33 U F51
2020-11-13 13:20:30 C 04 53 54.289 +14 34 12.95 U F51
2020-11-13 13:36:46 C 04 53 52.627 +14 34 23.44 U F51
2020-11-13 13:53:03 C 04 53 50.962 +14 34 33.87 U F51
2020-11-14 06:28:58 C 04 52 16.00 +14 45 38.4 V I52
2020-11-14 06:32:52 C 04 52 15.63 +14 45 41.0 V I52
2020-11-14 06:36:48 C 04 52 15.19 +14 45 44.8 V I52
2020-11-14 06:40:44 C 04 52 14.75 +14 45 47.5 V I52
2020-11-14 07:49:03 C 04 52 06.73 +14 46 31.5 u H21
2020-11-14 07:53:41 C 04 52 06.23 +14 46 35.0 u H21
2020-11-14 07:56:47 C 04 52 06.60 +14 46 40.5 V G96
2020-11-14 08:04:08 C 04 52 05.79 +14 46 45.6 V G96
2020-11-14 08:18:51 C 04 52 04.18 +14 46 55.8 V G96
2020-11-22 00:30:07 C 04 27 21.56 +17 24 29.3 o K88
2020-11-22 00:31:08 C 04 27 21.37 +17 24 29.3 o K88