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
2015-09-06 13:17:26 C 00 13 32.540 +10 24 28.33 L F51
2015-09-06 13:35:00 C 00 13 32.072 +10 24 18.81 L F51
2015-09-06 14:12:09 C 00 13 31.087 +10 23 58.59 L F51
2015-09-06 16:37:34 C 00 13 28.79 +10 22 37.5 q D29
2015-09-06 16:59:38 C 00 13 28.22 +10 22 25.5 q D29
2015-09-06 17:21:42 C 00 13 27.64 +10 22 13.6 q D29
2015-09-13 01:08:11 C 00 09 40.81 +08 55 54.4 19.4 u J43
2015-09-13 01:27:03 C 00 09 40.20 +08 55 43.4 19.4 u J43
2015-09-13 01:45:54 C 00 09 39.63 +08 55 32.3 19.4 u J43
2015-09-13 02:04:50 C 00 09 39.00 +08 55 21.1 19.3 u J43
2015-09-15 01:18:22 C 00 08 21.84 +08 27 07.7 19.4 u J43
2015-09-15 01:36:54 C 00 08 21.32 +08 26 56.9 18.5 u J43
2015-09-15 01:55:28 C 00 08 20.64 +08 26 45.7 19.1 u J43
2015-09-15 02:14:02 C 00 08 20.07 +08 26 34.5 19.2 u J43
2015-09-18 07:01:57 C 00 06 12.42 +07 40 06.5 q 703
2015-09-18 07:09:09 C 00 06 12.18 +07 40 02.0 q 703
2015-09-18 07:16:21 C 00 06 11.93 +07 39 57.5 q 703
2015-09-18 07:23:34 C 00 06 11.75 +07 39 53.0 q 703
2015-09-23 08:22:37 C 00 02 53.40 +06 26 57.1 R G45
2015-09-23 08:31:21 C 00 02 53.13 +06 26 51.7 R G45
2015-09-23 08:40:22 C 00 02 52.85 +06 26 46.5 R G45
2015-09-23 08:49:09 C 00 02 52.61 +06 26 41.0 R G45
2015-09-23 09:16:17 C 00 02 51.92 +06 26 24.5 q 703
2015-09-23 09:23:29 C 00 02 51.64 +06 26 20.5 q 703
2015-09-23 09:30:42 C 00 02 51.36 +06 26 17.2 q 703
2015-10-01 05:19:02 C 23 58 24.24 +04 39 40.6 q G96
2015-10-01 05:27:23 C 23 58 24.02 +04 39 36.1 q G96
2015-10-01 05:35:45 C 23 58 23.82 +04 39 31.8 q G96
2015-10-01 05:44:07 C 23 58 23.62 +04 39 27.1 q G96
2015-10-01 06:25:11 C 23 58 22.56 +04 39 07.7 q 703
2015-10-01 06:29:30 C 23 58 22.58 +04 39 03.6 q 703
2015-10-01 06:33:49 C 23 58 22.57 +04 38 59.3 q 703
2015-10-08 06:03:58 C 23 55 30.60 +03 16 21.2 q 703
2015-10-08 06:11:11 C 23 55 30.52 +03 16 17.5 q 703
2015-10-08 06:18:24 C 23 55 30.37 +03 16 14.7 q 703
2015-10-08 06:25:36 C 23 55 30.20 +03 16 12.3 q 703
2015-10-08 08:51:15 C 23 55 28.463 +03 15 09.34 L F51
2015-10-08 09:09:36 C 23 55 28.154 +03 15 01.06 L F51
2015-10-08 09:27:54 C 23 55 27.841 +03 14 52.95 L F51
2015-10-08 09:46:10 C 23 55 27.533 +03 14 44.72 L F51
2015-10-10 05:25:10 C 23 54 56.35 +02 55 40.6 R G45
2015-10-10 05:41:26 C 23 54 56.07 +02 55 33.3 R G45
2015-10-10 05:48:40 C 23 54 55.95 +02 55 30.8 R G45
2015-10-10 05:56:25 C 23 54 55.91 +02 55 28.1 R G45
2015-10-14 05:29:43 C 23 54 08.19 +02 17 46.9 q 703
2015-10-14 05:38:34 C 23 54 08.13 +02 17 43.9 q 703
2015-10-14 05:56:03 C 23 54 07.75 +02 17 36.1 q 703
2015-10-17 14:12:01 C 23 53 50.52 +01 50 12.9 q D29
2015-10-17 14:33:37 C 23 53 50.36 +01 50 06.0 q D29
2015-10-17 14:55:12 C 23 53 50.33 +01 49 59.1 q D29