2009 WD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3140805678 ± 1.41e-07
Semi-major axis (a)1.8331039255 AU ± 5.16e-09
Inclination (i)41.21082941° ± 4.05e-05
Long. of Asc. Node (Ω)35.36823473° ± 4.67e-06
Arg. of Perihelion (ω)343.02218297° ± 1.36e-04
Mean Anomaly (M)172.40707783° ± 6.88e-05
Mean Motion (n)0.3971290391°/day ± 1.68e-09
Perihelion dist (q)1.25736160 AU ± 2.58e-07
Aphelion dist (Q)2.40884625 AU ± 2.58e-07
Orbital Period2.48187915 yr ± 1.05e-08
Physical Parameters
H (abs. magnitude)20.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.340″
Uncertainty0
Orbit TypeAmor
MOID0.273520 AU
Observations Used89
Oppositions6
Arc Total2009-2019
First Observation Used2009-11-16
Last Observation Used2019-10-27
Observations (94)
Date Type RA Dec Mag Band Observatory
2009-11-16 04:29:42 C 23 42 30.06 +05 23 35.2 r G96
2009-11-16 04:39:03 C 23 42 29.34 +05 24 06.9 r G96
2009-11-16 04:48:20 C 23 42 28.62 +05 24 39.0 r G96
2009-11-16 04:57:34 C 23 42 27.90 +05 25 10.2 r G96
2009-11-16 05:56:53 C 23 42 23.25 +05 28 32.5 r G96
2009-11-16 06:07:28 C 23 42 22.42 +05 29 08.2 r G96
2009-11-16 06:18:15 C 23 42 21.62 +05 29 44.1 r G96
2009-11-17 02:12:51 C 23 40 57.89 +06 36 29.4 c 926
2009-11-17 03:37:52 C 23 40 51.60 +06 41 09.1 o 291
2009-11-17 03:43:21 C 23 40 51.20 +06 41 27.5 o 291
2009-11-17 03:51:06 C 23 40 50.64 +06 41 52.3 o 291
2009-11-17 04:43:26 C 23 40 46.77 +06 44 44.7 r G96
2009-11-17 04:45:56 C 23 40 46.59 +06 44 53.0 r G96
2009-11-17 04:48:26 C 23 40 46.45 +06 45 01.5 r G96
2009-11-17 04:50:57 C 23 40 46.23 +06 45 09.7 r G96
2009-11-17 04:51:34 C 23 40 46.14 +06 45 11.2 o H01
2009-11-17 04:56:18 C 23 40 45.79 +06 45 26.7 o H01
2009-11-17 05:01:45 C 23 40 45.39 +06 45 44.7 o H01
2009-11-17 05:07:23 C 23 40 44.98 +06 46 03.0 o H01
2009-11-20 02:46:37 C 23 36 30.64 +10 23 41.9 o H21
2009-11-20 02:52:45 C 23 36 30.22 +10 23 59.2 o H21
2009-11-20 02:58:34 C 23 36 29.97 +10 24 16.9 o H21
2009-11-21 23:47:38 C 23 34 17.23 +12 32 42.3 o H21
2009-11-21 23:52:45 C 23 34 16.97 +12 32 56.4 o H21
2009-11-22 00:02:57 C 23 34 16.46 +12 33 24.5 o H21
2009-11-22 00:07:35 C 23 34 16.23 +12 33 37.5 o H21
2009-11-22 00:12:36 C 23 34 15.97 +12 33 51.2 o H21
2014-09-19 14:42:24 C 04 34 05.522 -33 57 10.63 L F51
2014-09-19 14:59:28 C 04 34 04.761 -33 56 56.69 L F51
2014-09-19 15:07:57 C 04 34 04.388 -33 56 49.60 L F51
2014-09-20 06:34:09 C 04 33 27.97 -33 43 34.8 q W87
2014-09-20 06:44:17 C 04 33 27.51 -33 43 26.4 q W87
2014-09-20 06:54:27 C 04 33 27.05 -33 43 17.9 q W87
2014-09-24 14:11:26 C 04 28 10.264 -32 05 34.12 L F51
2014-09-24 14:26:25 C 04 28 09.273 -32 05 17.93 L F51
2014-09-24 14:41:21 C 04 28 08.253 -32 05 02.74 L F51
2014-09-24 14:56:22 C 04 28 07.278 -32 04 46.82 L F51
2014-10-14 09:42:07 C 03 29 58.66 -16 36 03.6 q 448
2014-10-14 10:09:41 C 03 29 52.99 -16 34 31.1 q 448
2014-10-14 10:29:08 C 03 29 49.03 -16 33 27.2 q 448
2014-10-21 09:11:29 C 02 52 42.31 -05 37 29.6 q 703
2014-10-21 09:27:25 C 02 52 38.30 -05 36 17.8 q 703
2014-10-21 09:35:24 C 02 52 36.12 -05 35 42.8 q 703
2014-10-23 07:12:40 C 02 41 04.44 -02 03 43.7 R G45
2014-10-23 07:12:46 C 02 41 04.39 -02 03 43.3 R G45
2014-10-23 07:28:41 C 02 41 00.17 -02 02 27.3 R G45
2014-10-23 07:36:03 C 02 40 58.25 -02 01 52.6 R G45
2014-10-23 07:53:51 C 02 40 53.49 -02 00 28.0 R G45
2014-10-23 08:11:28 C 02 40 48.78 -01 59 04.4 R G45
2014-10-24 06:05:50 C 02 35 07.20 -00 13 47.0 R G45