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
2008-07-22 05:45:31 C 18 05 20.75 -02 30 19.9 r H45
2008-07-22 05:47:06 C 18 05 20.87 -02 30 19.9 r H45
2008-07-22 05:49:52 C 18 05 21.04 -02 30 20.1 r H45
2008-07-22 05:52:53 C 18 05 21.27 -02 30 20.1 r H45
2008-07-31 23:40:43 C 18 23 52.39 -03 20 03.9 c B37
2008-07-31 23:43:36 C 18 23 52.60 -03 20 04.7 c B37
2008-07-31 23:46:47 C 18 23 52.92 -03 20 05.9 c B37
2008-08-03 06:06:35 C 18 28 41.81 -03 36 43.9 r H45
2008-08-03 06:09:03 C 18 28 41.97 -03 36 44.4 r H45
2008-08-03 06:11:35 C 18 28 42.21 -03 36 45.2 r H45
2008-08-03 06:13:40 C 18 28 42.37 -03 36 46.5 r H45
2008-08-03 06:17:08 C 18 28 42.66 -03 36 47.1 r H45
2008-08-10 03:17:47 C 18 44 22.80 -04 35 21.6 r 932
2008-08-10 03:30:36 C 18 44 24.00 -04 35 26.6 r 932
2008-08-10 03:34:12 C 18 44 24.34 -04 35 27.9 r 932
2008-08-13 05:55:54 C 18 51 54.687 -05 04 13.02 o 568
2008-08-13 05:57:54 C 18 51 54.883 -05 04 13.80 o 568
2008-08-16 03:08:58 C 18 59 03.28 -05 31 54.5 o H55
2008-08-16 03:15:23 C 18 59 03.91 -05 31 57.5 o H55
2008-08-16 03:34:24 C 18 59 05.80 -05 32 05.3 o H55
2008-09-16 09:07:59 C 20 20 55.611 -09 33 08.66 o 568
2008-09-16 09:09:34 C 20 20 55.776 -09 33 08.94 o 568
2008-09-29 03:22:19 C 20 53 24.25 -10 05 16.3 r G96
2008-09-29 03:30:56 C 20 53 25.11 -10 05 16.4 r G96
2008-09-29 03:40:13 C 20 53 26.05 -10 05 17.0 r G96
2008-09-29 03:49:01 C 20 53 26.98 -10 05 17.0 r G96
2011-04-23 10:32:53 C 10 00 51.991 +08 20 34.07 V T12
2015-05-13 07:21:16 C 20 28 09.81 -11 07 31.5 u 807
2015-05-13 07:30:55 C 20 28 11.16 -11 07 22.9 u 807
2015-05-13 07:40:44 C 20 28 12.51 -11 07 15.1 u 807
2015-05-31 07:36:21 C 21 29 06.31 -04 25 01.7 u 807
2015-05-31 07:44:22 C 21 29 07.41 -04 24 54.0 u 807
2015-05-31 07:52:37 C 21 29 08.52 -04 24 46.3 u 807
2015-07-25 11:13:12 C 23 54 46.756 +12 39 36.48 L F51
2015-07-25 11:29:07 C 23 54 47.732 +12 39 41.96 L F51
2015-07-25 11:44:44 C 23 54 48.697 +12 39 47.35 L F51
2015-07-25 12:00:30 C 23 54 49.665 +12 39 52.73 L F51
2015-07-30 11:59:02 C 00 02 03.953 +13 13 27.77 L F52
2015-07-30 12:16:48 C 00 02 04.830 +13 13 31.77 L F52
2015-07-30 12:51:55 C 00 02 06.585 +13 13 39.91 L F52
2015-08-12 09:24:20 C 00 14 25.54 +13 39 08.0 R G45
2015-08-12 09:31:18 C 00 14 25.70 +13 39 07.6 R G45
2015-08-12 09:40:33 C 00 14 25.87 +13 39 06.6 R G45
2015-08-12 09:48:41 C 00 14 26.04 +13 39 06.7 R G45
2015-08-18 03:36:36 C 00 16 54.64 +13 21 36.5 o Z22
2015-08-18 03:47:24 C 00 16 54.70 +13 21 34.4 o Z22
2015-08-18 03:58:09 C 00 16 54.74 +13 21 32.8 o Z22
2015-08-28 10:51:04 C 00 17 04.860 +12 07 44.34 L F51
2015-08-28 11:07:56 C 00 17 04.616 +12 07 37.64 L F51
2015-09-06 12:59:51 C 00 13 33.010 +10 24 37.91 L F51