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
2021-03-27 13:40:55 C 17 44 31.95 +49 08 39.5 V T05
2021-03-27 14:38:37 C 17 44 31.65 +49 06 44.9 V T05
2021-03-27 14:48:30 C 17 44 31.72 +49 06 24.4 V T05
2021-03-27 15:33:40 C 17 44 31.42 +49 04 53.8 V T05
2021-03-27 15:35:00 C 17 44 31.39 +49 04 50.9 V T05
2021-03-29 22:07:24 C 17 44 43.98 +47 13 13.7 V Z80
2021-03-29 22:12:19 C 17 44 44.05 +47 13 03.8 V Z80
2021-03-29 22:12:24 C 17 44 43.92 +47 13 03.7 V Z80
2021-03-29 22:17:24 C 17 44 43.93 +47 12 52.7 V Z80
2021-03-29 22:17:24 C 17 44 43.98 +47 12 53.0 V Z80
2021-03-30 11:26:08 C 17 44 42.84 +46 46 24.3 V 703
2021-03-30 11:33:51 C 17 44 42.76 +46 46 08.9 V 703
2021-03-30 11:41:35 C 17 44 42.67 +46 45 53.1 V 703
2021-03-30 11:49:21 C 17 44 42.62 +46 45 36.9 V 703
2021-03-31 01:47:59 C 17 44 42.09 +46 16 48.0 V G14
2021-03-31 01:58:52 C 17 44 42.01 +46 16 26.8 V G14
2021-03-31 02:10:04 C 17 44 41.87 +46 16 04.0 V G14
2021-03-31 13:08:36 C 17 44 40.24 +45 53 41.7 V T05
2021-03-31 13:10:01 C 17 44 40.16 +45 53 38.4 V T05
2021-03-31 13:19:17 C 17 44 40.08 +45 53 20.3 V T05
2021-03-31 13:23:53 C 17 44 40.01 +45 53 10.2 V T05
2021-03-31 13:24:33 C 17 44 39.97 +45 53 10.0 V T05
2021-04-01 00:19:10 C 17 44 37.51 +45 30 24.3 V A17
2021-04-01 00:30:29 C 17 44 37.41 +45 30 01.4 V A17
2021-04-01 00:41:47 C 17 44 37.34 +45 29 38.7 V A17
2021-04-01 01:53:19 C 17 44 36.81 +45 27 17.0 V G14
2021-04-01 02:04:44 C 17 44 36.63 +45 26 54.4 V G14
2021-04-01 02:16:10 C 17 44 36.57 +45 26 30.8 V G14
2021-04-05 17:49:22 C 17 43 25.97 +41 34 29.2 q Q21
2021-04-05 17:54:24 C 17 43 25.88 +41 34 19.2 q Q21
2021-04-06 13:36:08 C 17 43 05.86 +40 52 55.8 V T08
2021-04-06 13:40:47 C 17 43 05.74 +40 52 46.1 V T08
2021-04-06 13:58:02 C 17 43 05.25 +40 52 10.1 V T08
2021-04-08 01:39:22 C 17 42 23.17 +39 36 12.6 V 160
2021-04-08 01:41:47 C 17 42 23.15 +39 36 07.2 V 160
2021-04-08 01:44:12 C 17 42 22.94 +39 36 02.8 V 160
2021-04-08 23:29:45 C 17 41 54.27 +38 49 29.0 Z L74
2021-04-09 01:12:10 C 17 41 51.28 +38 45 53.9 Z L74
2021-04-09 02:59:19 C 17 41 47.97 +38 42 07.0 Z L74
2021-04-10 13:29:34 C 17 40 55.36 +37 27 54.7 V T08
2021-04-10 13:32:53 C 17 40 55.23 +37 27 47.7 V T08
2021-04-10 13:36:53 C 17 40 55.09 +37 27 39.0 V T08
2021-04-10 13:47:30 C 17 40 54.69 +37 27 16.2 V T08
2021-04-11 00:17:52 C 17 40 37.93 +37 04 16.4 X L45
2021-04-11 01:19:57 C 17 40 35.79 +37 02 03.7 X L45
2021-04-11 02:25:08 C 17 40 33.43 +36 59 43.8 X L45
2021-04-11 10:19:19 C 17 40 19.91 +36 42 33.5 V 703
2021-04-11 10:27:05 C 17 40 19.59 +36 42 18.2 V 703
2021-04-11 10:34:50 C 17 40 19.37 +36 41 59.6 V 703
2021-04-11 10:42:35 C 17 40 19.08 +36 41 43.7 V 703