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
2014-09-30 09:48:28 C 03 06 01.27 +00 16 57.4 o 695
2014-09-30 09:53:55 C 03 06 01.15 +00 16 56.5 o 695
2014-09-30 09:59:24 C 03 06 01.02 +00 16 55.5 o 695
2014-10-01 08:40:24 C 03 05 31.77 +00 12 45.1 o 695
2014-10-01 08:45:52 C 03 05 31.64 +00 12 44.1 o 695
2014-10-01 08:51:19 C 03 05 31.52 +00 12 43.2 o 695
2014-10-01 08:56:55 C 03 05 31.40 +00 12 42.2 o 695
2014-10-01 09:02:22 C 03 05 31.28 +00 12 41.0 o 695
2014-10-01 09:07:50 C 03 05 31.16 +00 12 40.0 o 695
2014-10-14 09:15:44 C 02 57 03.84 -00 45 45.3 o 695
2014-10-14 09:21:28 C 02 57 03.68 -00 45 46.7 o 695
2014-10-15 07:47:09 C 02 56 20.32 -00 49 55.4 o 695
2014-10-15 07:52:52 C 02 56 20.12 -00 49 56.8 o 695
2014-10-15 07:58:35 C 02 56 19.94 -00 49 57.5 o 695
2014-10-21 09:47:05 C 02 51 17.81 -01 16 14.3 o 291
2014-10-21 10:01:40 C 02 51 17.28 -01 16 17.1 o 291
2014-10-21 10:16:14 C 02 51 16.77 -01 16 19.5 o 291
2020-10-22 13:09:25 C 06 56 38.752 +19 53 22.04 U F51
2020-10-22 13:28:03 C 06 56 39.821 +19 53 25.31 U F51
2020-10-22 13:46:47 C 06 56 40.890 +19 53 28.70 U F51
2020-10-22 14:05:32 C 06 56 41.955 +19 53 32.08 U F51
2020-10-29 09:28:55 C 07 06 12.75 +20 25 22.5 V G96
2020-10-29 09:36:29 C 07 06 13.25 +20 25 24.6 V G96
2020-10-29 09:44:00 C 07 06 13.62 +20 25 26.3 V G96
2020-10-29 09:51:32 C 07 06 13.99 +20 25 27.9 V G96
2020-11-11 10:46:25 C 07 23 50.20 +21 51 58.0 V G96
2020-11-11 10:53:46 C 07 23 50.56 +21 52 00.2 V G96
2020-11-11 11:01:08 C 07 23 50.96 +21 52 02.9 V G96
2020-11-11 11:08:29 C 07 23 51.35 +21 52 05.7 V G96
2020-11-23 11:53:00 C 07 39 13.32 +23 58 24.4 V G96
2020-11-23 12:00:22 C 07 39 13.69 +23 58 28.6 V G96
2020-11-23 12:07:43 C 07 39 14.05 +23 58 32.6 V G96
2020-11-23 12:15:04 C 07 39 14.41 +23 58 36.6 V G96
2020-11-27 11:46:33 C 07 44 08.749 +24 54 35.46 U F52
2020-11-27 12:04:50 C 07 44 09.620 +24 54 47.43 U F52
2020-11-27 12:23:03 C 07 44 10.500 +24 54 58.64 U F52
2020-11-27 12:41:09 C 07 44 11.352 +24 55 09.90 U F52
2020-11-28 07:04:46 C 07 45 07.66 +25 06 53.0 V G96
2020-11-28 07:12:08 C 07 45 08.02 +25 06 58.0 V G96
2020-11-28 07:19:31 C 07 45 08.38 +25 07 02.9 V G96
2020-11-28 07:26:53 C 07 45 08.74 +25 07 07.8 V G96
2020-12-07 07:00:04 C 07 55 51.61 +27 53 05.1 V 703
2020-12-07 07:08:45 C 07 55 52.04 +27 53 12.7 V 703
2020-12-07 07:17:27 C 07 55 52.38 +27 53 21.9 V 703
2020-12-07 07:26:09 C 07 55 52.80 +27 53 28.7 V 703
2020-12-08 07:37:04 C 07 57 03.53 +28 15 44.9 V 703
2020-12-08 07:44:59 C 07 57 03.90 +28 15 52.3 V 703
2020-12-08 07:52:56 C 07 57 04.27 +28 16 00.2 V 703
2020-12-08 08:00:53 C 07 57 04.61 +28 16 07.3 V 703
2020-12-08 11:18:22 C 07 57 14.21 +28 19 15.6 V T05