438902 (2009 WF104)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6559375610 ± 4.02e-09
Semi-major axis (a)3.0832681608 AU ± 1.15e-08
Inclination (i)16.97015887° ± 1.55e-06
Long. of Asc. Node (Ω)81.62914600° ± 3.51e-06
Arg. of Perihelion (ω)94.39943826° ± 5.26e-06
Mean Anomaly (M)312.39262011° ± 1.74e-06
Mean Motion (n)0.1820519474°/day ± 1.02e-09
Perihelion dist (q)1.06083676 AU ± 1.30e-08
Aphelion dist (Q)5.10569956 AU ± 2.28e-08
Orbital Period5.41398374 yr ± 3.04e-08
Physical Parameters
H (abs. magnitude)17.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.214″
Uncertainty0
Orbit TypeAmor
MOID0.278830 AU
Observations Used877
Oppositions14
Arc Total2009-2026
First Observation Used2009-11-23
Last Observation Used2026-01-10
Observations (938)
Date Type RA Dec Mag Band Observatory
2009-11-23 08:54:23 C 04 10 55.41 +10 51 51.9 r G96
2009-11-23 09:01:05 C 04 10 55.02 +10 51 52.3 r G96
2009-11-23 09:07:48 C 04 10 54.58 +10 51 52.5 r G96
2009-11-23 09:14:25 C 04 10 54.22 +10 51 52.4 r G96
2009-11-24 09:19:16 C 04 09 30.24 +10 52 58.7 r G96
2009-11-24 09:25:57 C 04 09 29.88 +10 52 59.0 r G96
2009-11-24 09:32:30 C 04 09 29.48 +10 52 59.5 r G96
2009-11-24 09:39:09 C 04 09 29.08 +10 52 59.8 r G96
2009-11-24 11:16:12 C 04 09 23.31 +10 53 04.5 c 926
2009-11-24 11:19:47 C 04 09 23.05 +10 53 05.3 c 926
2009-11-24 21:44:21 C 04 08 46.71 +10 53 34.3 r B18
2009-11-24 21:50:23 C 04 08 46.36 +10 53 34.3 r B18
2009-11-24 21:56:24 C 04 08 46.01 +10 53 34.9 r B18
2009-11-26 07:19:45 C 04 06 47.24 +10 55 22.2 o 291
2009-11-26 07:25:27 C 04 06 46.88 +10 55 22.4 o 291
2009-11-26 07:31:14 C 04 06 46.54 +10 55 22.8 o 291
2009-11-27 03:46:39 C 04 05 33.93 +10 56 33.4 o 291
2009-11-27 03:52:27 C 04 05 33.58 +10 56 33.9 o 291
2009-11-27 03:58:27 C 04 05 33.21 +10 56 34.2 o 291
2009-11-29 03:41:55 C 04 02 39.19 +10 59 39.2 o H21
2009-11-29 03:45:11 C 04 02 38.99 +10 59 39.6 o H21
2009-11-29 03:48:46 C 04 02 38.77 +10 59 40.0 o H21
2009-12-04 04:02:34 C 03 55 11.35 +11 09 32.4 o H21
2009-12-04 04:14:01 C 03 55 10.63 +11 09 33.2 o H21
2009-12-04 04:25:32 C 03 55 09.92 +11 09 34.0 o H21
2009-12-06 05:36:17 C 03 52 05.10 +11 14 31.3 o H21
2009-12-06 05:42:43 C 03 52 04.70 +11 14 31.8 o H21
2009-12-06 05:49:40 C 03 52 04.29 +11 14 32.4 o H21
2009-12-10 08:25:37 C 03 45 55.46 +11 26 08.1 c 926
2009-12-10 08:29:22 C 03 45 55.23 +11 26 09.2 c 926
2009-12-16 04:16:33 C 03 37 28.82 +11 46 37.0 o H21
2009-12-16 04:18:50 C 03 37 28.68 +11 46 37.4 o H21
2009-12-16 04:24:04 C 03 37 28.33 +11 46 38.4 o H21
2009-12-16 04:27:17 C 03 37 28.13 +11 46 39.0 o H21
2009-12-18 02:00:21 C 03 34 50.51 +11 54 23.9 o 691
2009-12-18 02:24:35 C 03 34 49.10 +11 54 28.5 o 691
2009-12-18 02:43:50 C 03 34 47.97 +11 54 32.0 o 691
2009-12-26 03:47:07 C 03 24 36.73 +12 33 24.3 o 448
2009-12-26 04:20:57 C 03 24 35.06 +12 33 31.0 o 448
2009-12-26 04:52:41 C 03 24 33.53 +12 33 38.6 o 448
2010-01-03 02:20:19 C 03 16 33.03 +13 21 16.8 o H21
2010-01-03 02:30:08 C 03 16 32.61 +13 21 20.2 o H21
2010-01-03 02:41:54 C 03 16 32.15 +13 21 23.3 o H21
2010-01-03 04:03:55 C 03 16 29.14 +13 21 45.5 u 448
2010-01-03 04:40:03 C 03 16 27.86 +13 21 55.8 u 448
2010-01-03 05:17:26 C 03 16 26.43 +13 22 06.6 u 448
2010-01-13 03:54:08 C 03 09 47.14 +14 35 19.0 u 448
2010-01-13 04:36:48 C 03 09 46.22 +14 35 33.4 u 448
2010-01-13 05:17:30 C 03 09 45.45 +14 35 47.9 u 448
2010-01-14 01:49:47 C 03 09 22.76 +14 42 44.7 o H21