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
2020-12-22 12:06:20 C 08 13 28.86 +35 08 45.7 V T08
2020-12-22 12:10:47 C 08 13 29.09 +35 08 52.3 V T08
2020-12-23 06:59:50 C 08 14 25.13 +35 37 49.2 V 703
2020-12-23 07:15:26 C 08 14 25.83 +35 38 14.1 V 703
2020-12-23 07:23:14 C 08 14 26.14 +35 38 26.0 V 703
2020-12-23 10:44:51 C 08 14 36.15 +35 43 45.5 V T08
2020-12-23 10:50:10 C 08 14 36.39 +35 43 53.9 V T08
2020-12-23 11:10:19 C 08 14 37.27 +35 44 25.9 V T08
2020-12-23 11:20:56 C 08 14 37.74 +35 44 42.5 V T08
2020-12-24 07:05:38 C 08 15 37.40 +36 16 00.0 V T05
2020-12-24 07:30:01 C 08 15 38.55 +36 16 40.2 V T05
2020-12-24 07:34:22 C 08 15 38.77 +36 16 47.4 V T05
2020-12-24 07:59:59 C 08 15 40.00 +36 17 29.6 V T05
2020-12-25 10:26:08 C 08 16 58.91 +37 00 56.4 V T05
2020-12-25 10:55:34 C 08 17 00.24 +37 01 45.9 V T05
2020-12-25 10:59:35 C 08 17 00.41 +37 01 52.6 V T05
2020-12-25 11:07:29 C 08 17 00.76 +37 02 06.0 V T05
2020-12-25 16:15:36 C 08 17 16.05 +37 10 39.2 q Q21
2020-12-25 16:23:09 C 08 17 16.38 +37 10 51.8 q Q21
2020-12-25 16:30:44 C 08 17 16.72 +37 11 04.4 q Q21
2020-12-25 16:36:46 C 08 17 16.97 +37 11 14.6 q Q21
2020-12-25 16:44:19 C 08 17 17.34 +37 11 26.9 q Q21
2020-12-26 07:18:32 C 08 18 02.25 +37 36 10.4 V 703
2020-12-26 07:26:12 C 08 18 02.60 +37 36 23.4 V 703
2020-12-26 07:33:51 C 08 18 02.96 +37 36 36.9 V 703
2020-12-26 07:41:31 C 08 18 03.32 +37 36 50.1 V 703
2020-12-26 13:07:05 C 08 18 19.13 +37 46 14.2 V T08
2020-12-26 13:47:44 C 08 18 20.96 +37 47 23.9 V T08
2020-12-26 14:28:21 C 08 18 22.84 +37 48 32.9 V T08
2020-12-26 15:04:33 C 08 18 24.51 +37 49 34.9 V T08
2020-12-29 23:39:44 C 08 22 39.15 +40 15 49.8 V Z80
2020-12-29 23:46:24 C 08 22 39.48 +40 16 02.6 V Z80
2020-12-29 23:53:38 C 08 22 39.84 +40 16 16.3 V Z80
2021-01-03 05:55:24 C 08 28 25.51 +43 42 06.4 U I41
2021-01-03 07:54:22 C 08 28 31.96 +43 46 23.4 U I41
2021-01-03 08:12:33 C 08 28 32.93 +43 47 02.5 U I41
2021-01-03 10:16:47 C 08 28 39.51 +43 51 28.0 U I41
2021-01-03 10:58:09 C 08 28 41.71 +43 52 55.9 U I41
2021-01-04 06:16:57 C 08 29 53.31 +44 34 36.6 U I41
2021-01-04 07:46:14 C 08 29 58.26 +44 37 54.0 U I41
2021-01-04 07:53:19 C 08 29 58.65 +44 38 09.7 U I41
2021-01-04 11:19:41 C 08 30 09.93 +44 45 40.5 U I41
2021-01-04 12:14:53 C 08 30 13.94 +44 47 47.4 V T08
2021-01-04 12:18:12 C 08 30 14.14 +44 47 54.9 V T08
2021-01-04 12:19:32 C 08 30 14.19 +44 47 57.7 V T08
2021-01-04 12:22:51 C 08 30 14.38 +44 48 05.0 V T08
2021-01-04 12:27:30 C 08 30 14.63 +44 48 15.0 V T08
2021-01-04 12:32:48 C 08 30 14.91 +44 48 26.7 V T08
2021-01-04 13:18:31 C 08 30 17.40 +44 50 06.4 V T08
2021-01-04 13:22:30 C 08 30 17.59 +44 50 15.0 V T08