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
2021-05-02 22:29:18 C 17 14 16.25 +16 29 14.1 V Z80
2021-05-02 22:36:48 C 17 14 15.76 +16 28 55.6 V Z80
2021-05-02 22:44:55 C 17 14 15.11 +16 28 35.7 V Z80
2021-05-03 00:02:44 C 17 14 09.45 +16 25 23.9 V L65
2021-05-03 00:16:59 C 17 14 08.41 +16 24 49.2 V L65
2021-05-03 00:29:32 C 17 14 07.52 +16 24 17.8 V L65
2021-05-03 13:11:46 C 17 13 15.12 +15 53 04.1 V T08
2021-05-03 13:13:07 C 17 13 15.00 +15 53 00.7 V T08
2021-05-03 13:31:33 C 17 13 13.59 +15 52 15.0 V T08
2021-05-03 13:36:55 C 17 13 13.19 +15 52 01.8 V T08
2021-05-03 13:48:55 C 17 13 12.28 +15 51 32.0 V T08
2021-05-03 15:35:39 C 17 13 06.03 +15 46 59.2 q Q21
2021-05-03 15:43:11 C 17 13 05.50 +15 46 40.4 q Q21
2021-05-03 23:06:31 C 17 12 35.25 +15 28 15.6 Y 557
2021-05-03 23:58:22 C 17 12 31.45 +15 26 07.7 Y 557
2021-05-04 01:00:34 C 17 12 26.85 +15 23 33.9 Y 557
2021-05-04 02:00:11 C 17 12 22.45 +15 21 06.4 Y 557
2021-05-05 06:05:06 C 17 10 27.06 +14 11 33.4 Z U76
2021-05-05 06:28:43 C 17 10 25.33 +14 10 35.7 Z U76
2021-05-05 06:49:19 C 17 10 23.82 +14 09 44.9 Z U76
2021-05-05 10:52:13 C 17 10 06.47 +13 59 51.5 V T05
2021-05-05 11:42:48 C 17 10 02.54 +13 57 46.2 V T05
2021-05-05 11:47:16 C 17 10 02.20 +13 57 35.1 V T05
2021-05-05 12:28:21 C 17 09 59.00 +13 55 53.5 V T05
2021-05-05 22:10:38 C 17 09 18.95 +13 31 35.9 V Z80
2021-05-05 22:17:18 C 17 09 18.49 +13 31 20.2 V Z80
2021-05-05 22:23:59 C 17 09 17.99 +13 31 04.2 V Z80
2021-05-05 23:55:33 C 17 09 11.05 +13 27 18.0 V L65
2021-05-06 00:10:44 C 17 09 09.90 +13 26 40.3 V L65
2021-05-06 00:23:00 C 17 09 09.00 +13 26 09.9 V L65
2021-05-06 04:42:10 C 17 08 51.58 +13 15 34.0 q V88
2021-05-06 05:25:55 C 17 08 48.30 +13 13 46.6 q V88
2021-05-07 09:24:16 C 17 06 47.91 +12 04 41.0 V G96
2021-05-07 09:31:41 C 17 06 47.34 +12 04 23.0 V G96
2021-05-07 09:39:06 C 17 06 46.75 +12 04 04.4 V G96
2021-05-07 09:46:30 C 17 06 46.13 +12 03 46.8 V G96
2021-05-08 20:57:47 C 17 04 15.37 +10 37 00.7 Y 557
2021-05-08 21:43:50 C 17 04 11.91 +10 35 08.3 Y 557
2021-05-08 22:31:56 C 17 04 08.26 +10 33 10.8 Y 557
2021-05-08 22:34:18 C 17 04 08.28 +10 33 03.3 V Z80
2021-05-08 22:39:18 C 17 04 07.90 +10 32 51.1 V Z80
2021-05-08 22:44:18 C 17 04 07.46 +10 32 39.8 V Z80
2021-05-08 23:13:47 C 17 04 05.05 +10 31 28.5 Y 557
2021-05-08 23:59:54 C 17 04 01.48 +10 29 35.4 Y 557
2021-05-09 00:45:57 C 17 03 57.92 +10 27 42.7 Y 557
2021-05-09 01:36:08 C 17 03 54.03 +10 25 39.6 Y 557
2021-05-09 11:08:48 C 17 03 13.20 +10 02 28.1 V T05
2021-05-09 11:46:00 C 17 03 10.25 +10 00 57.1 V T05
2021-05-09 12:13:53 C 17 03 08.02 +09 59 48.9 V T05
2021-05-09 12:20:36 C 17 03 07.48 +09 59 32.6 V T05