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
2021-02-25 13:15:50 C 16 37 40.55 +72 49 55.9 V T08
2021-02-25 13:33:08 C 16 37 45.58 +72 49 25.6 V T08
2021-02-25 23:10:43 C 16 40 33.10 +72 31 15.8 V Z80
2021-02-25 23:14:44 C 16 40 34.29 +72 31 09.3 V Z80
2021-02-25 23:18:44 C 16 40 35.40 +72 31 02.0 V Z80
2021-02-26 10:25:07 C 16 43 41.51 +72 10 45.5 U I41
2021-02-26 10:26:29 C 16 43 41.88 +72 10 43.3 U I41
2021-02-26 10:48:44 C 16 43 47.62 +72 10 03.5 U I41
2021-02-26 10:50:05 C 16 43 47.93 +72 10 01.1 U I41
2021-02-26 22:06:55 C 16 46 46.12 +71 48 29.5 V Z80
2021-02-26 22:11:54 C 16 46 47.38 +71 48 20.7 V Z80
2021-02-26 22:16:54 C 16 46 48.75 +71 48 11.7 V Z80
2021-03-01 00:33:37 C 16 58 27.93 +70 12 51.3 V A17
2021-03-01 00:53:08 C 16 58 31.90 +70 12 15.4 V A17
2021-03-01 01:00:13 C 16 58 33.33 +70 12 02.3 V A17
2021-03-02 11:35:06 C 17 05 12.15 +69 05 27.5 V 703
2021-03-02 11:49:25 C 17 05 14.74 +69 05 01.4 V 703
2021-03-02 11:56:34 C 17 05 15.87 +69 04 48.0 V 703
2021-03-06 00:19:32 C 17 18 02.81 +66 19 14.7 q C18
2021-03-06 02:04:38 C 17 18 15.72 +66 15 55.8 q C18
2021-03-06 03:55:19 C 17 18 28.63 +66 12 23.5 q C18
2021-03-06 10:40:32 C 17 19 19.91 +65 59 08.1 V 703
2021-03-06 10:48:15 C 17 19 20.92 +65 58 53.6 V 703
2021-03-06 10:55:59 C 17 19 21.74 +65 58 38.8 V 703
2021-03-06 11:03:42 C 17 19 22.56 +65 58 24.2 V 703
2021-03-12 00:05:09 C 17 31 56.13 +61 34 59.8 V Z80
2021-03-12 00:10:09 C 17 31 56.40 +61 34 49.6 V Z80
2021-03-12 00:15:09 C 17 31 56.77 +61 34 40.4 V Z80
2021-03-17 11:55:37 C 17 39 10.41 +57 13 37.5 V 703
2021-03-17 12:04:11 C 17 39 10.66 +57 13 20.6 V 703
2021-03-17 12:12:45 C 17 39 10.88 +57 13 04.5 V 703
2021-03-17 12:21:19 C 17 39 11.01 +57 12 47.3 V 703
2021-03-19 12:49:01 C 17 40 58.55 +55 36 12.5 V T05
2021-03-19 12:53:40 C 17 40 58.68 +55 36 03.9 V T05
2021-03-19 13:02:55 C 17 40 58.92 +55 35 46.1 V T05
2021-03-19 13:18:47 C 17 40 59.24 +55 35 15.5 V T05
2021-03-20 11:36:23 C 17 41 38.76 +54 50 45.4 V 703
2021-03-20 11:43:36 C 17 41 38.88 +54 50 31.2 V 703
2021-03-20 11:50:50 C 17 41 39.00 +54 50 17.0 V 703
2021-03-20 11:58:03 C 17 41 39.13 +54 50 02.8 V 703
2021-03-21 05:07:35 C 17 42 07.42 +54 15 46.8 o Z22
2021-03-21 05:27:42 C 17 42 07.76 +54 15 06.8 o Z22
2021-03-25 14:20:38 C 17 44 05.40 +50 44 29.8 V T08
2021-03-25 14:34:45 C 17 44 05.40 +50 44 01.8 V T08
2021-03-25 15:03:32 C 17 44 05.41 +50 43 04.4 V T08
2021-03-25 15:13:36 C 17 44 05.41 +50 42 44.4 V T08
2021-03-25 23:42:27 C 17 44 12.60 +50 25 08.0 V Z80
2021-03-25 23:47:19 C 17 44 12.58 +50 24 59.0 V Z80
2021-03-26 22:18:48 C 17 44 25.45 +49 39 19.5 V Z80
2021-03-26 22:26:43 C 17 44 25.52 +49 39 04.1 V Z80