252558 (2001 WT1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3972418782 ± 3.45e-08
Semi-major axis (a)1.0892560479 AU ± 1.35e-09
Inclination (i)7.16348816° ± 3.16e-06
Long. of Asc. Node (Ω)73.75475184° ± 2.67e-05
Arg. of Perihelion (ω)180.74035891° ± 2.90e-05
Mean Anomaly (M)189.45359100° ± 1.21e-05
Mean Motion (n)0.8669964241°/day ± 1.61e-09
Perihelion dist (q)0.65655793 AU ± 3.76e-08
Aphelion dist (Q)1.52195417 AU ± 3.76e-08
Orbital Period1.13682855 yr ± 2.11e-09
Physical Parameters
H (abs. magnitude)20.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.461″
Uncertainty0
Orbit TypeApollo
MOID0.121809 AU
Observations Used265
Oppositions3
Arc Total2001-2025
First Observation Used2001-11-15
Last Observation Used2025-12-22
Observations (303)
Date Type RA Dec Mag Band Observatory
2008-12-31 07:52:01 C 08 04 00.01 +32 39 51.6 r 703
2008-12-31 08:03:29 C 08 03 58.78 +32 40 04.8 r 703
2009-01-13 19:23:06 C 07 18 22.53 +38 24 57.6 r A13
2009-01-13 19:55:26 C 07 18 16.74 +38 25 30.3 r A13
2009-01-21 06:28:19 C 06 44 58.29 +40 55 40.0 r H45
2009-01-21 06:30:04 C 06 44 57.96 +40 55 41.8 r H45
2009-01-21 06:31:52 C 06 44 57.63 +40 55 42.4 r H45
2009-01-21 06:34:49 C 06 44 56.97 +40 55 44.8 r H45
2009-01-21 06:36:12 C 06 44 56.69 +40 55 45.7 r H45
2009-01-21 06:37:35 C 06 44 56.45 +40 55 46.4 r H45
2009-01-25 06:03:05 C 06 26 23.32 +41 52 04.3 r H45
2009-01-25 06:07:11 C 06 26 22.42 +41 52 06.6 r H45
2009-01-25 06:09:38 C 06 26 22.04 +41 52 08.2 r H45
2009-01-25 06:11:46 C 06 26 21.58 +41 52 09.3 r H45
2009-01-25 06:13:33 C 06 26 21.17 +41 52 09.5 r H45
2009-01-25 18:35:30 C 06 23 59.83 +41 57 59.3 r A13
2009-01-25 19:28:28 C 06 23 49.29 +41 58 26.8 r A13
2009-10-29 07:13:32 C 05 59 43.87 +18 40 58.0 o 291
2009-10-29 07:21:39 C 05 59 43.49 +18 40 59.6 o 291
2009-10-29 07:29:47 C 05 59 43.26 +18 41 01.4 o 291
2009-11-10 09:46:45 C 05 43 25.02 +19 35 51.9 o 691
2009-11-10 10:11:44 C 05 43 22.91 +19 35 57.6 o 691
2009-11-16 08:22:20 C 05 30 49.50 +20 06 10.7 o 691
2009-11-20 08:13:36 C 05 20 45.96 +20 26 18.9 o 691
2009-11-20 08:39:09 C 05 20 42.92 +20 26 24.2 o 691
2009-11-24 08:18:16 C 05 09 36.09 +20 45 16.4 o 691
2009-11-24 08:43:54 C 05 09 32.85 +20 45 21.2 o 691
2009-11-24 09:09:31 C 05 09 29.68 +20 45 26.1 o 691
2010-02-09 22:25:02 S 03 32 47.60 +24 08 33.3 L C51
2010-02-10 01:35:33 S 03 32 55.85 +24 09 17.7 L C51
2010-02-10 07:56:47 S 03 33 12.97 +24 10 45.9 L C51
2010-02-10 09:31:56 S 03 33 17.10 +24 11 06.2 L C51
2010-02-10 09:32:07 S 03 33 17.10 +24 11 07.4 L C51
2010-02-10 12:42:38 S 03 33 25.70 +24 11 50.8 L C51
2010-02-10 14:17:49 S 03 33 29.93 +24 12 12.3 L C51
2010-02-10 15:53:09 S 03 33 34.22 +24 12 34.5 L C51
2010-02-10 17:28:31 S 03 33 38.54 +24 12 57.0 L C51
2010-02-10 19:03:41 S 03 33 42.84 +24 13 17.9 L C51
2010-02-11 01:24:54 S 03 34 00.20 +24 14 44.2 L C51
2010-02-11 04:35:25 S 03 34 08.90 +24 15 30.0 L C51
2010-09-13 07:09:58 S 05 27 22.286 -10 46 00.12 L C51
2010-09-13 10:20:18 S 05 26 47.398 -10 47 10.90 L C51
2010-09-13 10:20:29 S 05 26 47.364 -10 47 10.57 L C51
2010-09-13 11:55:39 S 05 26 29.926 -10 47 46.18 L C51
2010-09-13 15:06:10 S 05 25 54.970 -10 48 56.27 L C51
2010-09-25 10:35:01 C 04 31 07.14 -12 14 05.5 u 448
2010-09-25 10:43:11 C 04 31 05.37 -12 14 07.2 u 448
2010-09-25 10:51:37 C 04 31 03.49 -12 14 09.9 u 448
2010-09-27 08:31:19 C 04 21 36.31 -12 22 52.5 o H21
2010-09-27 08:38:02 C 04 21 34.87 -12 22 53.5 o H21