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
2021-05-09 21:11:45 C 17 02 29.83 +09 37 41.0 Y 557
2021-05-09 21:53:34 C 17 02 26.64 +09 35 59.0 Y 557
2021-05-09 22:33:19 C 17 02 23.63 +09 34 22.8 Y 557
2021-05-10 20:53:50 C 17 00 46.19 +08 39 56.9 Y 557
2021-05-10 21:49:52 C 17 00 41.93 +08 37 41.4 Y 557
2021-05-10 22:41:15 C 17 00 38.19 +08 35 36.3 V Z80
2021-05-10 22:47:55 C 17 00 37.66 +08 35 20.3 V Z80
2021-05-10 22:54:55 C 17 00 37.11 +08 35 03.4 V Z80
2021-05-10 23:19:20 C 17 00 34.71 +08 34 06.4 V 089
2021-05-10 23:22:41 C 17 00 34.46 +08 33 58.5 V 089
2021-05-10 23:26:02 C 17 00 34.19 +08 33 49.9 V 089
2021-05-10 23:29:23 C 17 00 33.93 +08 33 41.5 V 089
2021-05-10 23:32:44 C 17 00 33.67 +08 33 33.6 V 089
2021-05-10 23:36:05 C 17 00 33.38 +08 33 24.9 V 089
2021-05-10 23:39:26 C 17 00 33.13 +08 33 17.6 V 089
2021-05-10 23:42:47 C 17 00 32.88 +08 33 08.9 V 089
2021-05-10 23:46:08 C 17 00 32.60 +08 33 01.3 V 089
2021-05-10 23:54:02 C 17 00 32.33 +08 32 40.6 Y 557
2021-05-11 00:47:49 C 17 00 28.14 +08 30 30.3 Y 557
2021-05-11 01:15:05 C 17 00 26.80 +08 29 32.4 V G40
2021-05-11 02:05:09 C 17 00 22.81 +08 27 31.3 V G40
2021-05-11 02:12:01 C 17 00 22.27 +08 27 14.7 V G40
2021-05-11 09:38:42 C 16 59 49.31 +08 09 10.6 U I41
2021-05-11 09:39:22 C 16 59 49.26 +08 09 09.0 U I41
2021-05-11 10:37:17 C 16 59 44.66 +08 06 48.7 U I41
2021-05-11 10:39:25 C 16 59 44.50 +08 06 43.5 U I41
2021-05-11 10:56:28 C 16 59 43.24 +08 06 00.9 V U68
2021-05-11 10:58:54 C 16 59 43.04 +08 05 55.0 V U68
2021-05-11 11:00:39 C 16 59 42.90 +08 05 50.8 V U68
2021-05-11 11:03:04 C 16 59 42.72 +08 05 44.8 V U68
2021-05-11 22:24:27 C 16 58 53.99 +07 38 14.6 Y 557
2021-05-11 22:47:53 C 16 58 52.39 +07 37 17.5 V Z80
2021-05-11 22:53:53 C 16 58 51.90 +07 37 03.5 V Z80
2021-05-11 22:59:25 C 16 58 51.45 +07 36 49.5 V Z80
2021-05-11 23:07:22 C 16 58 50.66 +07 36 31.5 Y 557
2021-05-11 23:41:15 C 16 58 48.04 +07 35 10.4 Y 557
2021-05-12 10:53:40 C 16 57 59.02 +07 08 24.1 V T05
2021-05-12 10:57:39 C 16 57 58.69 +07 08 14.6 V T05
2021-05-12 11:02:16 C 16 57 58.32 +07 08 03.6 V T05
2021-05-12 11:18:09 C 16 57 57.05 +07 07 25.4 V T05
2021-05-12 23:08:56 C 16 57 04.84 +06 38 53.0 V 089
2021-05-12 23:12:17 C 16 57 04.56 +06 38 44.5 V 089
2021-05-12 23:15:38 C 16 57 04.30 +06 38 36.5 V 089
2021-05-12 23:18:59 C 16 57 04.03 +06 38 28.6 V 089
2021-05-12 23:22:20 C 16 57 03.76 +06 38 20.7 V 089
2021-05-12 23:25:41 C 16 57 03.52 +06 38 12.3 V 089
2021-05-12 23:29:02 C 16 57 03.23 +06 38 04.7 V 089
2021-05-12 23:32:23 C 16 57 02.98 +06 37 56.9 V 089
2021-05-12 23:35:44 C 16 57 02.74 +06 37 48.9 V 089
2021-05-14 10:46:51 C 16 54 28.90 +05 14 28.1 V T08