437908 (2001 XW266)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4518742648 ± 3.15e-08
Semi-major axis (a)2.2843124794 AU ± 6.72e-09
Inclination (i)4.61573656° ± 1.99e-06
Long. of Asc. Node (Ω)205.71753713° ± 2.90e-05
Arg. of Perihelion (ω)90.01583289° ± 3.29e-05
Mean Anomaly (M)4.74986467° ± 1.07e-05
Mean Motion (n)0.2854821821°/day ± 1.26e-09
Perihelion dist (q)1.25209046 AU ± 7.20e-08
Aphelion dist (Q)3.31653450 AU ± 7.26e-08
Orbital Period3.45249667 yr ± 1.52e-08
Physical Parameters
H (abs. magnitude)19.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.238″
Uncertainty0
Orbit TypeAmor
MOID0.251229 AU
Observations Used251
Oppositions17
Arc Total2001-2025
First Observation Used2001-12-09
Last Observation Used2025-04-30
Observations (267)
Date Type RA Dec Mag Band Observatory
2008-06-27 22:56:36 C 17 36 25.93 -03 57 25.7 i 071
2008-06-27 22:59:09 C 17 36 25.93 -03 57 24.8 i 071
2008-06-27 23:01:44 C 17 36 26.12 -03 57 24.7 i 071
2008-06-27 23:04:32 C 17 36 26.14 -03 57 22.3 i 071
2008-06-27 23:07:07 C 17 36 26.16 -03 57 21.0 i 071
2008-06-27 23:09:42 C 17 36 26.16 -03 57 20.6 i 071
2008-06-27 23:15:58 C 17 36 26.38 -03 57 16.9 i 071
2008-06-27 23:21:07 C 17 36 26.48 -03 57 14.9 i 071
2008-06-27 23:24:24 C 17 36 26.58 -03 57 13.8 i 071
2008-06-27 23:26:57 C 17 36 26.59 -03 57 13.4 i 071
2008-06-27 23:29:30 C 17 36 26.67 -03 57 12.0 i 071
2008-06-27 23:36:04 C 17 36 26.86 -03 57 08.8 i 071
2008-06-27 23:38:36 C 17 36 26.93 -03 57 06.9 i 071
2008-06-30 05:29:24 C 17 38 10.17 -03 35 34.9 18.1 c 704
2008-06-30 05:43:21 C 17 38 10.48 -03 35 28.6 18.5 c 704
2008-06-30 05:57:19 C 17 38 10.85 -03 35 24.3 18.5 c 704
2008-06-30 06:05:30 C 17 38 10.66 -03 35 20.7 r H45
2008-06-30 06:06:44 C 17 38 10.70 -03 35 20.1 r H45
2008-06-30 06:09:19 C 17 38 10.75 -03 35 19.5 r H45
2008-06-30 06:11:10 C 17 38 11.17 -03 35 18.8 18.9 c 704
2008-06-30 06:12:12 C 17 38 10.81 -03 35 18.4 r H45
2008-06-30 06:14:15 C 17 38 10.87 -03 35 17.3 r H45
2008-06-30 22:56:13 C 17 38 44.73 -03 29 14.9 r 113
2008-06-30 23:01:15 C 17 38 44.85 -03 29 13.2 r 113
2008-06-30 23:06:19 C 17 38 44.98 -03 29 11.2 r 113
2008-06-30 23:11:22 C 17 38 45.14 -03 29 09.4 r 113
2008-07-07 07:26:44 C 17 44 40.26 -02 45 13.5 r H45
2008-07-07 07:28:51 C 17 44 40.37 -02 45 12.8 r H45
2008-07-07 07:30:11 C 17 44 40.41 -02 45 12.8 r H45
2008-07-07 07:32:57 C 17 44 40.57 -02 45 12.1 r H45
2008-07-07 07:35:51 C 17 44 40.63 -02 45 11.6 r H45
2008-07-07 07:37:01 C 17 44 40.67 -02 45 11.4 r H45
2008-07-08 06:13:01 C 17 45 42.23 -02 40 36.3 r H45
2008-07-08 06:24:31 C 17 45 42.66 -02 40 34.0 r H45
2008-07-08 06:26:45 C 17 45 42.78 -02 40 33.5 r H45
2008-07-08 06:29:48 C 17 45 42.89 -02 40 33.1 r H45
2008-07-08 06:43:20 C 17 45 43.43 -02 40 30.4 r H45
2008-07-09 21:16:24 C 17 47 33.89 -02 33 56.2 c 560
2008-07-09 21:17:33 C 17 47 33.94 -02 33 55.9 c 560
2008-07-09 21:19:51 C 17 47 34.05 -02 33 55.3 c 560
2008-07-11 07:53:34 C 17 49 16.42 -02 29 08.3 r H45
2008-07-11 07:54:53 C 17 49 16.45 -02 29 08.2 r H45
2008-07-11 07:56:19 C 17 49 16.51 -02 29 08.1 r H45
2008-07-11 07:59:33 C 17 49 16.66 -02 29 07.7 r H45
2008-07-11 08:05:01 C 17 49 16.96 -02 29 07.5 r H45
2008-07-16 03:45:59 C 17 55 45.83 -02 21 50.7 o H55
2008-07-16 03:48:29 C 17 55 45.96 -02 21 50.7 o H55
2008-07-16 03:50:58 C 17 55 46.10 -02 21 50.7 o H55
2008-07-16 03:55:55 C 17 55 46.34 -02 21 50.7 o H55
2008-07-22 05:42:26 C 18 05 20.56 -02 30 19.8 r H45