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
2020-11-22 00:32:14 C 04 27 21.16 +17 24 31.2 o K88
2020-11-23 07:21:35 C 04 21 50.18 +17 57 32.9 V G96
2020-11-23 07:29:02 C 04 21 48.70 +17 57 41.0 V G96
2020-11-23 07:38:02 C 04 21 46.95 +17 57 50.8 V G96
2020-11-23 07:45:29 C 04 21 45.47 +17 57 59.5 V G96
2020-11-24 22:55:50 C 04 14 02.79 +18 42 24.5 V 130
2020-11-24 23:03:28 C 04 14 01.15 +18 42 33.3 V 130
2020-11-25 04:29:34 C 04 12 54.69 +18 49 04.8 V 703
2020-11-25 04:45:25 C 04 12 51.22 +18 49 24.5 V 703
2020-11-25 04:53:21 C 04 12 49.37 +18 49 33.8 V 703
2020-12-04 06:33:20 C 03 12 56.17 +23 44 34.7 V G96
2020-12-04 06:40:45 C 03 12 53.52 +23 44 45.1 V G96
2020-12-04 06:48:07 C 03 12 50.90 +23 44 55.7 V G96
2020-12-04 06:55:29 C 03 12 48.25 +23 45 06.1 V G96
2020-12-05 06:08:37 C 03 04 38.60 +24 18 28.7 V 703
2020-12-05 06:31:11 C 03 04 30.08 +24 19 01.1 V 703
2020-12-06 08:56:38 C 02 54 46.80 +24 56 40.4 V T08
2020-12-06 09:01:23 C 02 54 44.95 +24 56 47.1 V T08
2020-12-06 09:10:15 C 02 54 41.49 +24 56 59.1 V T08
2020-12-06 09:24:52 C 02 54 35.73 +24 57 19.6 V T08
2020-12-07 05:54:04 C 02 46 48.534 +25 25 40.71 U F51
2020-12-07 06:32:51 C 02 46 32.888 +25 26 35.59 U F51
2020-12-08 07:57:11 C 02 36 26.92 +26 00 45.8 V T05
2020-12-08 08:05:31 C 02 36 23.41 +26 00 56.5 V T05
2020-12-08 08:10:14 C 02 36 21.46 +26 01 02.7 V T05
2020-12-08 08:27:34 C 02 36 14.11 +26 01 25.6 V T05
2020-12-10 08:59:27 C 02 16 00.954 +27 01 55.84 U F51
2020-12-10 09:16:14 C 02 15 53.494 +27 02 14.73 U F51
2020-12-10 09:33:03 C 02 15 46.042 +27 02 33.49 U F51
2020-12-10 09:49:53 C 02 15 38.597 +27 02 52.07 U F51
2020-12-14 05:15:41 C 01 35 04.86 +28 32 27.8 V 703
2020-12-14 05:23:51 C 01 35 01.06 +28 32 33.4 V 703
2020-12-14 05:32:02 C 01 34 57.24 +28 32 40.7 V 703
2020-12-14 05:40:12 C 01 34 53.37 +28 32 46.3 V 703
2020-12-17 04:18:02 C 01 02 36.87 +29 14 23.5 V G96
2020-12-17 04:25:29 C 01 02 33.37 +29 14 25.9 V G96
2020-12-17 04:32:55 C 01 02 29.89 +29 14 28.5 V G96
2020-12-17 04:40:21 C 01 02 26.34 +29 14 31.2 V G96
2020-12-27 02:28:35 C 23 21 57.75 +28 35 21.0 V G96
2020-12-27 02:36:47 C 23 21 54.57 +28 35 15.4 V G96
2020-12-27 02:53:11 C 23 21 48.24 +28 35 03.4 V G96
2021-10-30 08:35:05 C 01 39 58.004 -10 50 25.59 U F51
2021-10-30 08:52:01 C 01 39 55.745 -10 50 26.04 U F51
2021-10-30 09:08:56 C 01 39 53.492 -10 50 26.69 U F51
2022-09-20 11:35:07 C 01 02 05.281 -28 12 18.11 U F51
2022-09-20 11:51:01 C 01 02 03.174 -28 12 25.74 U F51
2022-09-20 12:06:52 C 01 02 01.053 -28 12 33.16 U F51