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
2014-10-24 06:22:20 C 02 35 02.76 -00 12 26.8 R G45
2014-10-24 06:45:40 C 02 34 56.44 -00 10 33.9 R G45
2014-10-24 07:03:25 C 02 34 51.64 -00 09 08.3 R G45
2014-10-24 07:19:24 C 02 34 47.36 -00 07 49.7 R G45
2014-10-27 22:24:25 C 02 11 22.96 +07 01 38.2 q 160
2014-10-27 22:27:23 C 02 11 22.11 +07 01 52.7 q 160
2014-10-27 22:30:20 C 02 11 21.30 +07 02 07.6 q 160
2014-10-28 02:41:32 C 02 10 13.26 +07 23 29.2 q W88
2014-10-28 02:49:57 C 02 10 10.90 +07 24 11.2 q W88
2014-10-28 03:45:43 C 02 09 55.25 +07 28 47.4 q W88
2014-10-28 05:06:05 C 02 09 32.68 +07 35 24.1 q W88
2014-10-29 06:42:59 C 02 02 32.74 +09 40 46.2 q 703
2014-10-29 06:49:28 C 02 02 30.88 +09 41 18.7 q 703
2014-10-29 06:55:57 C 02 02 29.07 +09 41 49.9 q 703
2014-10-29 07:02:26 C 02 02 27.21 +09 42 21.9 q 703
2014-10-29 08:26:49 C 02 02 03.08 +09 49 11.0 q H45
2014-10-29 08:28:00 C 02 02 02.73 +09 49 16.5 q H45
2014-10-29 08:29:57 C 02 02 02.16 +09 49 25.8 q H45
2014-10-29 08:31:21 C 02 02 01.79 +09 49 33.3 q H45
2014-10-29 08:32:36 C 02 02 01.43 +09 49 38.7 q H45
2014-10-29 08:34:08 C 02 02 01.00 +09 49 45.7 q H45
2014-10-31 06:25:17 C 01 49 31.25 +13 29 52.0 q 703
2014-10-31 06:45:50 C 01 49 25.51 +13 31 28.8 q 703
2014-10-31 06:56:06 C 01 49 22.69 +13 32 16.2 q 703
2014-11-01 03:56:07 C 01 43 42.79 +15 09 46.8 q 703
2014-11-01 04:06:18 C 01 43 39.95 +15 10 33.1 q 703
2014-11-01 04:26:35 C 01 43 34.27 +15 12 06.9 q 703
2014-11-01 23:57:44 C 01 38 18.32 +16 40 20.5 t 204
2014-11-02 00:08:47 C 01 38 15.33 +16 41 09.5 t 204
2014-11-02 00:19:50 C 01 38 12.30 +16 41 58.7 t 204
2019-10-05 13:36:47 C 04 51 19.917 +03 12 58.67 U F51
2019-10-05 13:53:11 C 04 51 19.224 +03 13 48.99 U F51
2019-10-05 14:09:39 C 04 51 18.528 +03 14 39.32 U F51
2019-10-05 14:26:12 C 04 51 17.816 +03 15 30.43 U F51
2019-10-09 12:14:16 C 04 46 59.476 +08 25 03.25 U F51
2019-10-09 12:31:44 C 04 46 58.415 +08 26 05.79 U F51
2019-10-09 12:49:08 C 04 46 57.340 +08 27 07.20 U F51
2019-10-09 13:06:40 C 04 46 56.256 +08 28 09.62 U F51
2019-10-22 09:34:38 C 04 16 18.30 +30 08 50.6 V G96
2019-10-22 09:41:57 C 04 16 17.14 +30 09 24.6 V G96
2019-10-22 09:49:16 C 04 16 15.94 +30 09 59.0 V G96
2019-10-26 23:29:33 C 03 56 38.55 +38 37 55.0 V C95
2019-10-26 23:45:23 C 03 56 35.25 +38 39 06.0 V C95
2019-10-27 00:01:16 C 03 56 31.89 +38 40 19.5 V C95