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
2021-04-12 22:12:40 C 17 39 14.05 +35 23 40.8 V L38
2021-04-12 22:59:42 C 17 39 12.42 +35 21 59.3 V L38
2021-04-12 23:21:44 C 17 39 11.73 +35 21 10.1 V Z80
2021-04-12 23:28:23 C 17 39 11.52 +35 20 55.9 V Z80
2021-04-12 23:34:59 C 17 39 11.31 +35 20 41.1 V Z80
2021-04-12 23:48:40 C 17 39 10.68 +35 20 13.5 V L38
2021-04-13 01:38:10 C 17 39 06.62 +35 16 15.5 V L65
2021-04-13 01:57:03 C 17 39 05.89 +35 15 33.4 V L65
2021-04-13 02:11:53 C 17 39 05.28 +35 15 01.1 V L65
2021-04-13 11:16:09 C 17 38 46.74 +34 55 10.8 V 703
2021-04-13 11:24:37 C 17 38 46.41 +34 54 52.5 V 703
2021-04-13 11:32:56 C 17 38 45.96 +34 54 33.5 V 703
2021-04-13 11:41:14 C 17 38 45.70 +34 54 15.2 V 703
2021-04-13 21:57:21 C 17 38 25.99 +34 31 11.9 V L38
2021-04-13 22:27:02 C 17 38 24.93 +34 30 07.6 V L38
2021-04-13 22:58:11 C 17 38 23.78 +34 28 59.8 V L38
2021-04-14 02:03:14 C 17 38 16.47 +34 22 13.7 V L65
2021-04-14 02:24:42 C 17 38 15.63 +34 21 26.5 V L65
2021-04-14 02:48:25 C 17 38 14.66 +34 20 34.4 V L65
2021-04-14 10:16:19 C 17 37 59.07 +34 04 07.5 V G96
2021-04-14 10:23:53 C 17 37 58.74 +34 03 50.8 V G96
2021-04-14 10:31:24 C 17 37 58.41 +34 03 34.2 V G96
2021-04-14 10:38:56 C 17 37 58.08 +34 03 17.6 V G96
2021-04-15 12:18:12 C 17 37 01.65 +33 05 59.7 V T05
2021-04-15 12:38:04 C 17 37 00.72 +33 05 15.6 V T05
2021-04-15 13:00:27 C 17 36 59.69 +33 04 26.0 V T05
2021-04-15 13:21:26 C 17 36 58.69 +33 03 39.2 V T05
2021-04-17 13:28:46 C 17 35 01.63 +31 14 44.9 V T08
2021-04-17 13:46:11 C 17 35 00.73 +31 14 05.2 V T08
2021-04-17 13:48:50 C 17 35 00.60 +31 13 59.4 V T08
2021-04-17 14:11:45 C 17 34 59.40 +31 13 07.1 V T08
2021-04-18 11:23:12 C 17 34 03.87 +30 24 30.0 V 703
2021-04-18 11:30:08 C 17 34 03.51 +30 24 14.2 V 703
2021-04-18 11:37:04 C 17 34 03.19 +30 23 58.0 V 703
2021-04-18 11:44:01 C 17 34 02.82 +30 23 42.4 V 703
2021-04-19 11:50:16 C 17 32 58.51 +29 28 09.9 V T05
2021-04-19 11:52:54 C 17 32 58.37 +29 28 03.9 V T05
2021-04-19 11:56:55 C 17 32 58.15 +29 27 54.8 V T05
2021-04-19 12:11:12 C 17 32 57.38 +29 27 22.2 V T05
2021-04-21 02:08:07 C 17 31 07.31 +27 58 48.6 V 108
2021-04-21 02:12:25 C 17 31 07.06 +27 58 37.9 V 108
2021-04-21 23:04:07 C 17 30 05.07 +27 09 28.0 V Z80
2021-04-21 23:07:27 C 17 30 04.84 +27 09 20.7 V Z80
2021-04-21 23:10:47 C 17 30 04.70 +27 09 12.2 V Z80
2021-04-22 14:04:37 C 17 29 18.76 +26 34 06.9 q Q21
2021-04-22 14:12:10 C 17 29 18.28 +26 33 49.1 q Q21
2021-04-22 22:59:29 C 17 28 50.32 +26 12 51.9 V Z80
2021-04-22 23:06:09 C 17 28 49.98 +26 12 36.5 V Z80
2021-04-22 23:12:49 C 17 28 49.53 +26 12 20.9 V Z80
2021-04-23 11:37:31 C 17 28 09.66 +25 43 06.5 V T05