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
2021-04-23 11:38:11 C 17 28 09.59 +25 43 05.2 V T05
2021-04-23 11:40:49 C 17 28 09.46 +25 42 59.1 V T05
2021-04-23 11:42:08 C 17 28 09.38 +25 42 55.9 V T05
2021-04-23 11:48:42 C 17 28 08.95 +25 42 40.4 V T05
2021-04-23 11:50:43 C 17 28 08.86 +25 42 36.1 V T05
2021-04-23 11:56:01 C 17 28 08.53 +25 42 23.1 V T05
2021-04-23 11:57:59 C 17 28 08.40 +25 42 18.6 V T05
2021-04-23 15:28:46 C 17 27 57.15 +25 33 47.1 q Q21
2021-04-23 15:36:19 C 17 27 56.70 +25 33 29.5 q Q21
2021-04-23 22:32:14 C 17 27 34.30 +25 16 46.6 V Z80
2021-04-23 22:45:49 C 17 27 33.58 +25 16 14.3 V Z80
2021-04-24 10:37:33 C 17 26 53.15 +24 48 04.5 V 703
2021-04-24 10:47:15 C 17 26 52.52 +24 47 41.4 V 703
2021-04-24 10:56:56 C 17 26 51.92 +24 47 18.2 V 703
2021-04-24 11:06:38 C 17 26 51.27 +24 46 55.1 V 703
2021-04-24 18:37:48 C 17 26 27.75 +24 28 47.9 V N31
2021-04-24 18:53:48 C 17 26 26.78 +24 28 10.2 V N31
2021-04-24 19:09:47 C 17 26 25.79 +24 27 32.4 V N31
2021-04-24 19:25:45 C 17 26 24.78 +24 26 55.0 V N31
2021-04-24 19:41:45 C 17 26 23.83 +24 26 16.4 V N31
2021-04-24 20:01:58 C 17 26 22.57 +24 25 28.3 V N31
2021-04-24 22:40:43 C 17 26 13.82 +24 18 54.9 V Z80
2021-04-24 22:45:43 C 17 26 13.60 +24 18 42.0 V Z80
2021-04-24 22:49:18 C 17 26 13.32 +24 18 38.0 V L01
2021-04-24 22:50:48 C 17 26 13.27 +24 18 30.4 V Z80
2021-04-24 22:51:09 C 17 26 13.19 +24 18 33.8 V L01
2021-04-24 22:53:02 C 17 26 13.09 +24 18 29.0 V L01
2021-04-24 22:54:54 C 17 26 12.99 +24 18 24.9 V L01
2021-04-25 00:43:50 C 17 26 06.34 +24 14 02.8 V K87
2021-04-25 00:45:57 C 17 26 06.16 +24 13 57.7 V K87
2021-04-25 00:48:03 C 17 26 06.04 +24 13 53.5 V K87
2021-04-25 01:40:42 C 17 26 02.83 +24 11 47.0 V A17
2021-04-25 01:52:05 C 17 26 02.13 +24 11 19.8 V A17
2021-04-25 02:03:26 C 17 26 01.42 +24 10 52.4 V A17
2021-04-25 12:43:29 C 17 25 25.17 +23 45 24.1 V T08
2021-04-25 12:49:28 C 17 25 24.78 +23 45 09.9 V T08
2021-04-25 13:20:23 C 17 25 22.75 +23 43 55.4 V T08
2021-04-25 13:24:41 C 17 25 22.46 +23 43 45.0 V T08
2021-04-27 12:30:05 C 17 22 36.35 +21 49 29.2 V T05
2021-04-27 12:32:43 C 17 22 36.18 +21 49 22.8 V T05
2021-04-27 12:36:40 C 17 22 35.90 +21 49 12.9 V T05
2021-04-27 12:40:37 C 17 22 35.62 +21 49 03.3 V T05
2021-04-29 11:55:05 C 17 19 40.45 +19 53 23.5 V T08
2021-04-29 11:57:44 C 17 19 40.26 +19 53 16.9 V T08
2021-04-29 12:05:05 C 17 19 39.73 +19 52 59.1 V T08
2021-04-29 12:43:53 C 17 19 36.97 +19 51 24.0 V T08
2021-04-30 10:18:58 C 17 18 13.84 +18 58 09.8 V 703
2021-04-30 10:26:30 C 17 18 13.28 +18 57 51.2 V 703
2021-04-30 10:34:01 C 17 18 12.76 +18 57 32.5 V 703
2021-04-30 10:41:34 C 17 18 12.21 +18 57 13.9 V 703