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
2021-01-11 08:40:50 C 08 41 40.35 +51 15 36.2 U I41
2021-01-11 08:42:13 C 08 41 40.45 +51 15 39.7 U I41
2021-01-11 08:42:54 C 08 41 40.49 +51 15 41.3 U I41
2021-01-11 22:23:54 C 08 42 47.73 +51 50 05.1 V 130
2021-01-11 22:25:24 C 08 42 47.85 +51 50 08.9 V 130
2021-01-11 22:27:12 C 08 42 48.01 +51 50 13.7 V 130
2021-01-11 22:29:01 C 08 42 48.17 +51 50 18.1 V 130
2021-01-12 11:18:18 C 08 43 51.558 +52 23 05.49 U F52
2021-01-12 11:37:48 C 08 43 53.004 +52 23 55.26 U F52
2021-01-12 11:57:14 C 08 43 54.456 +52 24 44.86 U F52
2021-01-12 12:03:42 C 08 43 54.90 +52 25 01.8 V T08
2021-01-12 12:08:21 C 08 43 55.27 +52 25 13.6 V T08
2021-01-12 12:56:07 C 08 43 58.84 +52 27 14.8 V T08
2021-01-12 13:03:33 C 08 43 59.39 +52 27 33.6 V T08
2021-01-13 05:55:44 C 08 45 29.01 +53 10 45.7 V 703
2021-01-13 06:03:29 C 08 45 29.65 +53 11 05.8 V 703
2021-01-13 06:11:14 C 08 45 30.27 +53 11 26.3 V 703
2021-01-13 06:18:58 C 08 45 30.73 +53 11 48.6 V 703
2021-01-14 06:16:43 C 08 47 41.23 +54 13 58.8 U I41
2021-01-14 08:05:02 C 08 47 50.40 +54 18 45.3 U I41
2021-01-14 08:06:23 C 08 47 50.52 +54 18 48.8 U I41
2021-01-14 09:34:24 C 08 47 57.91 +54 22 39.4 U I41
2021-01-14 09:35:48 C 08 47 58.02 +54 22 43.0 U I41
2021-01-14 10:49:17 C 08 48 04.25 +54 25 53.7 U I41
2021-01-14 12:16:37 C 08 48 13.07 +54 29 48.5 V T05
2021-01-14 12:21:15 C 08 48 13.45 +54 30 00.5 V T05
2021-01-14 12:29:49 C 08 48 14.17 +54 30 22.9 V T05
2021-01-14 12:45:42 C 08 48 15.52 +54 31 04.1 V T05
2021-01-15 08:08:59 C 08 50 09.31 +55 22 02.2 U I41
2021-01-15 08:10:20 C 08 50 09.43 +55 22 05.9 U I41
2021-01-15 09:16:03 C 08 50 15.05 +55 24 59.9 V G96
2021-01-15 09:24:38 C 08 50 15.82 +55 25 22.5 V G96
2021-01-15 09:33:11 C 08 50 16.58 +55 25 44.9 V G96
2021-01-15 09:41:45 C 08 50 17.34 +55 26 07.4 V G96
2021-01-16 11:46:05 C 08 52 58.85 +56 35 32.1 V T08
2021-01-16 12:21:35 C 08 53 02.22 +56 37 06.6 V T08
2021-01-16 13:02:29 C 08 53 06.12 +56 38 54.9 V T08
2021-01-16 13:38:06 C 08 53 09.54 +56 40 28.8 V T08
2021-01-17 05:29:15 C 08 54 56.72 +57 22 51.8 V 703
2021-01-17 05:37:00 C 08 54 57.56 +57 23 12.1 V 703
2021-01-17 05:44:44 C 08 54 58.36 +57 23 33.4 V 703
2021-01-17 05:52:29 C 08 54 59.17 +57 23 54.6 V 703
2021-01-17 17:04:10 C 08 56 16.34 +57 53 59.6 q C97
2021-01-17 17:06:23 C 08 56 16.57 +57 54 05.8 q C97
2021-01-17 17:08:35 C 08 56 16.82 +57 54 11.9 q C97
2021-01-17 17:10:47 C 08 56 17.04 +57 54 18.0 q C97
2021-01-17 23:53:23 C 08 57 02.22 +58 12 22.2 V Z80
2021-01-17 23:54:13 C 08 57 02.22 +58 12 24.1 V Z80
2021-01-18 17:04:49 C 08 59 08.50 +58 58 53.7 q C97
2021-01-18 17:07:01 C 08 59 08.75 +58 58 59.9 q C97