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
2021-06-01 22:01:18 C 16 25 47.67 -09 45 26.4 V G17
2021-06-01 22:06:24 C 16 25 47.37 -09 45 35.0 V G17
2021-06-01 22:11:29 C 16 25 47.10 -09 45 43.4 V G17
2021-06-01 22:20:02 C 16 25 46.56 -09 45 57.2 q L47
2021-06-02 09:31:46 C 16 25 12.07 -10 04 06.7 V T08
2021-06-02 09:34:25 C 16 25 11.92 -10 04 11.1 V T08
2021-06-02 09:38:24 C 16 25 11.70 -10 04 17.4 V T08
2021-06-02 10:09:14 C 16 25 09.97 -10 05 07.5 V T08
2021-06-02 21:28:58 C 16 24 35.95 -10 23 27.1 q L47
2021-06-02 21:48:35 C 16 24 34.87 -10 23 58.3 q L47
2021-06-03 09:21:20 C 16 24 00.42 -10 42 12.4 V T08
2021-06-03 09:24:00 C 16 24 00.28 -10 42 16.6 V T08
2021-06-03 09:28:40 C 16 24 00.02 -10 42 23.8 V T08
2021-06-03 09:35:57 C 16 23 59.62 -10 42 35.5 V T08
2021-06-03 20:41:39 C 16 23 27.45 -11 00 03.1 q L47
2021-06-03 21:34:35 C 16 23 24.70 -11 01 26.2 q L47
2021-06-04 20:37:32 C 16 22 19.34 -11 36 47.5 q L47
2021-06-04 21:23:08 C 16 22 17.14 -11 37 56.6 q L47
2021-06-05 09:15:17 C 16 21 44.17 -11 55 41.1 V T05
2021-06-05 09:17:57 C 16 21 44.04 -11 55 45.0 V T05
2021-06-05 09:21:54 C 16 21 43.83 -11 55 50.9 V T05
2021-06-05 09:29:11 C 16 21 43.46 -11 56 01.8 V T05
2021-06-07 08:16:00 C 16 19 40.42 -13 03 53.3 V 703
2021-06-07 08:21:45 C 16 19 40.12 -13 04 00.4 V 703
2021-06-07 08:27:31 C 16 19 39.84 -13 04 09.4 V 703
2021-06-07 08:33:16 C 16 19 39.58 -13 04 17.2 V 703
2021-06-07 09:09:09 C 16 19 38.70 -13 05 05.3 V T08
2021-06-07 09:11:48 C 16 19 38.59 -13 05 08.8 V T08
2021-06-07 09:15:47 C 16 19 38.40 -13 05 14.4 V T08
2021-06-07 09:23:46 C 16 19 38.02 -13 05 25.7 V T08
2021-06-08 10:11:11 C 16 18 37.25 -13 39 47.3 V T05
2021-06-08 10:15:48 C 16 18 37.04 -13 39 53.6 V T05
2021-06-08 10:24:34 C 16 18 36.65 -13 40 05.6 V T05
2021-06-08 11:10:59 C 16 18 34.59 -13 41 08.7 V T05
2021-06-09 10:00:00 C 16 17 41.94 -14 11 48.9 V T05
2021-06-09 10:04:39 C 16 17 41.76 -14 11 55.2 V T05
2021-06-09 10:12:34 C 16 17 41.42 -14 12 05.9 V T05
2021-06-09 10:58:45 C 16 17 39.47 -14 13 06.7 V T05
2021-06-10 11:21:03 C 16 16 45.74 -14 44 52.8 V T08
2021-06-10 12:04:03 C 16 16 44.05 -14 45 47.2 V T08
2021-06-10 12:13:32 C 16 16 43.69 -14 45 59.8 V T08
2021-06-11 09:56:35 C 16 15 59.06 -15 13 28.9 V T08
2021-06-11 10:00:42 C 16 15 58.90 -15 13 34.2 V T08
2021-06-11 10:10:00 C 16 15 58.54 -15 13 45.7 V T08
2021-06-11 10:28:17 C 16 15 57.85 -15 14 08.3 V T08
2021-06-12 07:37:34 C 16 15 16.15 -15 40 12.9 V G96
2021-06-12 07:44:56 C 16 15 15.89 -15 40 21.9 V G96
2021-06-12 07:52:18 C 16 15 15.62 -15 40 30.7 V G96
2021-06-12 07:59:39 C 16 15 15.36 -15 40 39.6 V G96
2021-06-12 10:11:01 C 16 15 11.35 -15 43 16.7 V T05