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
2021-05-20 21:34:52 C 16 43 26.53 -00 35 57.6 V K73
2021-05-20 21:42:13 C 16 43 26.01 -00 36 13.1 V K73
2021-05-20 21:49:33 C 16 43 25.37 -00 36 27.1 V K73
2021-05-22 21:03:43 C 16 40 13.05 -02 16 30.5 Y 557
2021-05-22 22:00:46 C 16 40 09.05 -02 18 28.8 Y 557
2021-05-22 22:35:24 C 16 40 06.83 -02 19 40.7 V Z80
2021-05-22 22:40:24 C 16 40 06.47 -02 19 51.1 V Z80
2021-05-22 22:45:24 C 16 40 06.12 -02 20 01.2 V Z80
2021-05-22 22:50:24 C 16 40 05.73 -02 20 12.1 V Z80
2021-05-22 22:55:11 C 16 40 05.19 -02 20 21.9 Y 557
2021-05-23 00:10:22 C 16 39 59.86 -02 22 57.6 Y 557
2021-05-23 01:04:48 C 16 39 56.02 -02 24 50.2 Y 557
2021-05-23 17:38:28 C 16 38 51.22 -02 58 49.3 V N31
2021-05-23 17:43:47 C 16 38 50.83 -02 59 00.3 V N31
2021-05-23 17:49:06 C 16 38 50.42 -02 59 11.5 V N31
2021-05-23 17:54:27 C 16 38 50.06 -02 59 23.0 V N31
2021-05-23 17:59:47 C 16 38 49.65 -02 59 33.6 V N31
2021-05-23 18:05:05 C 16 38 49.29 -02 59 44.3 V N31
2021-05-23 18:10:26 C 16 38 48.93 -02 59 54.8 V N31
2021-05-23 18:15:46 C 16 38 48.68 -03 00 06.1 V N31
2021-05-23 18:21:04 C 16 38 48.18 -03 00 17.1 V N31
2021-05-23 18:26:24 C 16 38 47.79 -03 00 27.4 V N31
2021-05-24 08:17:53 C 16 37 53.95 -03 28 31.5 V T05
2021-05-24 08:20:31 C 16 37 53.74 -03 28 37.3 V T05
2021-05-24 08:24:29 C 16 37 53.47 -03 28 45.3 V T05
2021-05-24 08:33:45 C 16 37 52.83 -03 29 03.8 V T05
2021-05-27 22:40:03 C 16 32 29.05 -06 16 20.1 V Z80
2021-05-27 22:46:16 C 16 32 28.66 -06 16 31.6 V Z80
2021-05-27 22:55:46 C 16 32 28.07 -06 16 48.9 V Z80
2021-05-28 01:09:13 C 16 32 19.38 -06 20 55.8 V L63
2021-05-28 01:22:48 C 16 32 18.52 -06 21 21.0 V L63
2021-05-28 11:49:25 C 16 31 41.30 -06 40 32.7 V T05
2021-05-28 12:11:59 C 16 31 39.85 -06 41 13.9 V T05
2021-05-28 12:17:16 C 16 31 39.51 -06 41 23.9 V T05
2021-05-30 22:34:09 C 16 28 20.12 -08 25 27.5 V G17
2021-05-30 22:37:46 C 16 28 19.91 -08 25 33.5 V G17
2021-05-30 22:41:24 C 16 28 19.67 -08 25 39.8 V G17
2021-05-30 23:55:14 C 16 28 15.31 -08 27 48.5 V K87
2021-05-30 23:57:21 C 16 28 15.19 -08 27 52.3 V K87
2021-05-30 23:59:28 C 16 28 15.07 -08 27 56.1 V K87
2021-05-31 22:49:23 C 16 27 00.84 -09 06 51.0 q L47
2021-05-31 23:01:19 C 16 27 00.12 -09 07 10.9 q L47
2021-06-01 02:43:54 C 16 26 48.91 -09 13 22.7 V W46
2021-06-01 02:55:24 C 16 26 48.24 -09 13 42.3 V W46
2021-06-01 03:09:31 C 16 26 47.41 -09 14 06.0 V W46
2021-06-01 09:20:47 C 16 26 27.49 -09 24 23.3 V T05
2021-06-01 09:25:28 C 16 26 27.23 -09 24 31.0 V T05
2021-06-01 09:29:25 C 16 26 26.99 -09 24 37.6 V T05
2021-06-01 09:36:41 C 16 26 26.57 -09 24 49.8 V T05
2021-06-01 21:49:23 C 16 25 48.36 -09 45 06.9 V L47