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
2001-04-27 11:04:51 C 14 03 52.87 -10 43 07.8 c 608
2001-04-27 11:19:33 C 14 03 52.22 -10 43 00.2 c 608
2001-04-27 11:34:41 C 14 03 51.49 -10 42 52.7 c 608
2001-12-09 07:25:12 C 22 24 59.016 -08 29 05.46 o 568
2001-12-09 07:33:21 C 22 24 59.938 -08 29 01.05 o 568
2001-12-10 05:09:38 C 22 27 24.790 -08 17 45.27 o 568
2001-12-10 05:17:00 C 22 27 25.607 -08 17 41.63 o 568
2001-12-11 04:58:03 C 22 30 03.414 -08 05 17.86 o 568
2001-12-11 05:05:34 C 22 30 04.216 -08 05 13.66 o 568
2001-12-12 06:47:56 C 22 32 54.272 -07 51 44.24 o 568
2001-12-19 05:19:52 C 22 50 51.787 -06 23 20.21 o 568
2001-12-19 05:37:32 C 22 50 53.622 -06 23 10.42 o 568
2002-01-09 05:08:24 C 23 41 22.510 -01 52 32.26 o 568
2002-01-09 05:25:23 C 23 41 24.118 -01 52 23.14 o 568
2002-03-08 05:38:17 C 01 42 59.318 +09 29 32.47 o 568
2002-03-08 05:47:30 C 01 43 00.088 +09 29 36.34 o 568
2002-12-03 12:03:12 C 07 02 28.128 +16 42 55.56 o 568
2002-12-03 12:14:14 C 07 02 27.743 +16 42 55.43 o 568
2002-12-03 12:25:05 C 07 02 27.362 +16 42 55.42 o 568
2002-12-03 12:47:03 C 07 02 26.611 +16 42 55.08 o 568
2005-09-06 15:08:15 C 04 58 16.19 +20 43 38.5 t 568
2005-09-06 15:11:50 C 04 58 16.32 +20 43 38.3 t 568
2008-04-21 13:57:53 C 16 49 53.441 -18 22 09.98 o 568
2008-04-21 14:00:32 C 16 49 53.557 -18 22 09.24 o 568
2008-04-21 14:03:03 C 16 49 53.678 -18 22 08.54 o 568
2008-04-21 15:00:23 C 16 49 56.355 -18 21 52.28 o 568
2008-04-22 12:03:39 C 16 51 00.197 -18 15 54.73 o 568
2008-04-22 12:06:03 C 16 51 00.307 -18 15 54.07 o 568
2008-04-22 12:09:14 C 16 51 00.453 -18 15 53.16 o 568
2008-04-29 10:02:28 C 16 58 48.32 -17 21 44.4 r G96
2008-04-29 10:13:36 C 16 58 48.72 -17 21 39.6 r G96
2008-04-29 10:24:42 C 16 58 49.22 -17 21 36.4 r G96
2008-04-29 10:35:44 C 16 58 49.65 -17 21 32.1 r G96
2008-05-10 09:08:30 C 17 09 11.07 -15 29 02.8 o H55
2008-05-10 09:16:24 C 17 09 11.36 -15 28 59.1 o H55
2008-05-10 09:24:18 C 17 09 11.57 -15 28 55.3 o H55
2008-05-20 10:29:18 C 17 16 34.516 -13 17 58.43 o 568
2008-05-20 10:33:50 C 17 16 34.613 -13 17 55.78 o 568
2008-05-20 10:36:18 C 17 16 34.664 -13 17 54.34 o 568
2008-05-29 08:38:56 C 17 21 36.46 -11 03 50.3 o F65
2008-05-29 08:48:17 C 17 21 36.61 -11 03 44.3 o F65
2008-05-29 08:56:40 C 17 21 36.74 -11 03 39.0 o F65
2008-06-13 05:06:34 C 17 28 11.09 -07 09 26.9 o H55
2008-06-13 05:12:05 C 17 28 11.18 -07 09 23.4 o H55
2008-06-13 05:15:08 C 17 28 11.22 -07 09 21.7 o H55
2008-06-13 05:18:12 C 17 28 11.26 -07 09 19.8 o H55
2008-06-13 05:21:06 C 17 28 11.30 -07 09 17.8 o H55
2008-06-21 00:16:18 C 17 32 02.01 -05 18 35.5 c B37
2008-06-21 00:17:21 C 17 32 02.02 -05 18 34.2 c B37
2008-06-21 00:18:31 C 17 32 02.16 -05 18 32.6 c B37