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
2021-06-12 10:15:37 C 16 15 11.17 -15 43 22.3 V T05
2021-06-12 10:24:55 C 16 15 10.84 -15 43 33.4 V T05
2021-06-14 05:40:56 C 16 13 53.26 -16 34 32.9 V V93
2021-06-14 06:23:59 C 16 13 51.89 -16 35 22.2 V V93
2021-06-14 07:03:51 C 16 13 50.69 -16 36 08.1 V V93
2021-06-14 11:18:19 C 16 13 43.50 -16 40 53.6 V T08
2021-06-14 12:09:17 C 16 13 41.91 -16 41 51.1 V T08
2021-06-14 12:50:19 C 16 13 40.68 -16 42 36.8 V T08
2021-06-15 20:38:29 C 16 12 51.82 -17 18 04.7 q L47
2021-06-15 21:42:13 C 16 12 49.88 -17 19 18.3 q L47
2021-06-18 10:11:46 C 16 11 28.60 -18 22 27.8 V T08
2021-06-18 10:17:04 C 16 11 28.47 -18 22 33.2 V T08
2021-06-18 10:24:28 C 16 11 28.29 -18 22 40.4 V T08
2021-06-18 10:30:12 C 16 11 28.19 -18 22 46.2 V T08
2021-06-19 09:47:35 C 16 11 01.96 -18 45 51.2 V T08
2021-06-19 09:52:58 C 16 11 01.83 -18 45 56.4 V T08
2021-06-19 10:01:42 C 16 11 01.67 -18 46 05.2 V T08
2021-06-19 10:53:58 C 16 11 00.48 -18 46 55.3 V T08
2021-07-04 08:18:03 C 16 09 23.27 -23 26 53.3 V T08
2021-07-04 08:22:42 C 16 09 23.26 -23 26 55.9 V T08
2021-07-04 08:30:39 C 16 09 23.31 -23 27 01.2 V T08
2021-07-04 08:47:54 C 16 09 23.39 -23 27 12.0 V T08
2025-09-17 13:16:30 C 03 52 41.443 +06 24 58.81 X F52
2025-09-17 13:34:19 C 03 52 41.482 +06 24 57.17 X F52
2025-09-17 13:52:09 C 03 52 41.486 +06 24 55.39 X F52
2025-10-31 10:48:46 C 03 31 14.674 +04 13 47.63 X F51
2025-10-31 11:21:40 C 03 31 13.267 +04 13 43.32 X F51
2025-10-31 11:38:09 C 03 31 12.563 +04 13 41.19 X F51
2025-11-27 07:16:25 C 03 00 50.370 +03 25 35.88 X F52
2025-11-27 07:33:20 C 03 00 49.526 +03 25 35.77 X F52
2025-11-27 07:50:12 C 03 00 48.702 +03 25 35.53 X F52
2025-11-27 08:07:00 C 03 00 47.882 +03 25 35.37 X F52
2026-01-08 13:30:14 C 02 29 21.006 +05 44 19.34 W O18
2026-01-08 15:00:15 C 02 29 20.226 +05 44 43.31 W O18
2026-01-09 13:30:40 C 02 29 10.702 +05 50 50.93 W O18
2026-01-09 14:32:20 C 02 29 10.245 +05 51 08.17 W O18
2026-01-10 13:47:48 C 02 29 02.054 +05 57 35.32 W O18
2026-01-10 14:53:37 C 02 29 01.644 +05 57 54.00 W O18