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
2010-01-14 01:55:48 C 03 09 22.66 +14 42 46.7 o H21
2010-01-14 02:10:16 C 03 09 22.38 +14 42 52.3 o H21
2010-01-14 04:23:46 C 03 09 19.94 +14 43 38.2 r G96
2010-01-14 04:41:19 C 03 09 19.58 +14 43 44.0 r G96
2010-01-14 04:58:49 C 03 09 19.29 +14 43 49.8 r G96
2010-02-03 17:07:24 S 03 09 32.22 +17 59 17.4 L C51
2010-02-03 20:18:06 S 03 09 35.64 +18 00 42.7 L C51
2010-02-03 23:28:37 S 03 09 39.13 +18 02 07.7 L C51
2010-02-04 02:39:08 S 03 09 42.65 +18 03 33.4 L C51
2010-02-04 04:14:29 S 03 09 44.43 +18 04 15.5 L C51
2010-02-04 05:49:39 S 03 09 46.20 +18 04 58.4 L C51
2010-02-04 05:49:50 S 03 09 46.21 +18 04 58.5 L C51
2010-02-04 07:25:00 S 03 09 48.01 +18 05 41.6 L C51
2010-02-04 09:00:22 S 03 09 49.84 +18 06 24.3 L C51
2010-02-04 10:35:32 S 03 09 51.65 +18 07 07.2 L C51
2010-02-04 13:46:13 S 03 09 55.32 +18 08 33.3 L C51
2010-02-04 16:56:44 S 03 09 59.03 +18 09 59.1 L C51
2010-02-04 20:07:15 S 03 10 02.78 +18 11 25.5 L C51
2010-02-09 02:09:45 C 03 12 25.20 +18 58 23.5 u 448
2010-02-09 02:48:44 C 03 12 26.15 +18 58 42.0 u 448
2010-02-09 03:27:44 C 03 12 27.19 +18 59 00.2 u 448
2010-03-06 01:02:58 C 03 40 08.17 +24 03 56.7 o H21
2010-03-06 01:14:04 C 03 40 08.96 +24 04 02.7 o H21
2010-03-06 01:24:04 C 03 40 09.58 +24 04 07.6 o H21
2010-04-06 21:26:30 C 04 49 14.09 +30 54 22.1 o J04
2010-04-06 21:30:30 C 04 49 14.59 +30 54 24.2 o J04
2010-07-06 03:26:21 C 11 13 12.95 +17 44 20.0 u 448
2010-07-06 03:43:43 C 11 13 16.10 +17 43 53.3 u 448
2010-07-06 04:02:21 C 11 13 19.35 +17 43 25.1 u 448
2014-08-30 10:43:20 C 03 12 13.71 +02 08 48.6 o 695
2014-08-30 10:48:47 C 03 12 13.73 +02 08 48.0 o 695
2014-08-30 10:54:14 C 03 12 13.74 +02 08 47.5 o 695
2014-08-30 11:00:03 C 03 12 13.76 +02 08 46.9 o 695
2014-08-30 11:05:30 C 03 12 13.77 +02 08 46.3 o 695
2014-08-30 11:10:58 C 03 12 13.80 +02 08 45.6 o 695
2014-08-31 10:21:25 C 03 12 18.49 +02 06 14.4 o 695
2014-08-31 10:26:54 C 03 12 18.53 +02 06 13.9 o 695
2014-08-31 10:32:21 C 03 12 18.53 +02 06 13.2 o 695
2014-08-31 10:38:10 C 03 12 18.54 +02 06 12.6 o 695
2014-08-31 10:43:38 C 03 12 18.57 +02 06 12.1 o 695
2014-08-31 10:49:04 C 03 12 18.56 +02 06 11.3 o 695
2014-08-31 10:54:53 C 03 12 18.59 +02 06 10.6 o 695
2014-08-31 11:00:21 C 03 12 18.60 +02 06 10.1 o 695
2014-08-31 11:05:48 C 03 12 18.61 +02 06 09.4 o 695
2014-09-30 09:15:33 C 03 06 01.99 +00 17 03.5 o 695
2014-09-30 09:21:00 C 03 06 01.87 +00 17 02.5 o 695
2014-09-30 09:26:28 C 03 06 01.74 +00 17 01.5 o 695
2014-09-30 09:32:00 C 03 06 01.62 +00 17 00.4 o 695
2014-09-30 09:37:28 C 03 06 01.51 +00 16 59.5 o 695
2014-09-30 09:42:55 C 03 06 01.39 +00 16 58.5 o 695