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
2017-02-02 11:08:19 C 09 38 26.53 +53 02 35.8 L T05
2017-02-02 11:34:08 C 09 38 22.10 +53 04 01.1 L T05
2017-02-02 11:42:48 C 09 38 20.58 +53 04 29.1 L T05
2017-02-02 12:12:00 C 09 38 15.55 +53 06 06.0 L T05
2017-02-13 03:21:59 C 08 18 27.40 +68 07 15.4 u H21
2017-02-13 03:25:01 C 08 18 25.60 +68 07 25.7 u H21
2017-02-13 03:27:58 C 08 18 23.80 +68 07 35.9 u H21
2017-02-13 03:32:16 C 08 18 21.14 +68 07 50.8 u H21
2017-02-16 04:34:57 C 07 25 44.30 +71 54 13.2 q 703
2017-02-16 04:53:45 C 07 25 26.90 +71 55 04.3 q 703
2017-02-16 05:03:49 C 07 25 17.55 +71 55 31.8 q 703
2017-02-22 22:00:51 S 04 15 14.93 +74 29 47.1 L C51
2017-02-22 23:35:06 S 04 13 16.84 +74 27 54.9 L C51
2017-02-23 01:09:21 S 04 11 19.15 +74 25 58.9 L C51
2017-02-23 01:09:32 S 04 11 19.00 +74 25 57.8 L C51
2017-02-23 01:45:19 C 04 10 29.11 +74 25 45.6 q H45
2017-02-23 01:47:19 C 04 10 26.31 +74 25 42.7 q H45
2017-02-23 01:48:25 C 04 10 24.85 +74 25 41.4 q H45
2017-02-23 01:49:33 C 04 10 23.52 +74 25 39.3 q H45
2017-02-23 01:50:43 C 04 10 22.10 +74 25 37.6 q H45
2017-02-23 01:51:55 C 04 10 20.76 +74 25 35.9 q H45
2017-02-24 01:34:01 C 03 41 53.28 +73 48 11.5 q H45
2017-02-24 01:35:23 C 03 41 51.61 +73 48 08.2 q H45
2017-02-24 01:36:53 C 03 41 49.90 +73 48 05.6 q H45
2017-02-24 01:38:10 C 03 41 48.30 +73 48 02.5 q H45
2017-02-24 01:39:11 C 03 41 47.16 +73 48 00.5 q H45
2017-02-24 01:40:19 C 03 41 45.71 +73 47 58.5 q H45
2017-12-15 05:36:06 C 05 20 00.66 +26 13 46.2 U G96
2017-12-15 05:43:40 C 05 19 59.57 +26 13 49.0 U G96
2017-12-15 05:51:11 C 05 19 58.54 +26 13 50.7 U G96
2017-12-15 05:58:43 C 05 19 57.49 +26 13 52.8 U G96
2017-12-28 05:08:32 C 04 39 28.18 +26 59 48.4 U G96
2017-12-28 05:16:38 C 04 39 27.21 +26 59 48.9 U G96
2017-12-28 05:24:44 C 04 39 26.22 +26 59 49.5 U G96
2017-12-28 05:32:48 C 04 39 25.24 +26 59 50.1 U G96
2018-09-09 17:36:57 S 05 07 28.627 +07 10 00.55 L C51
2018-09-09 20:45:16 S 05 07 27.715 +07 09 48.96 L C51
2018-09-09 20:45:27 S 05 07 27.727 +07 09 49.25 L C51
2018-09-09 23:53:46 S 05 07 26.806 +07 09 40.82 L C51
2018-09-10 01:28:01 S 05 07 26.254 +07 09 34.99 L C51
2018-09-10 04:36:31 S 05 07 25.222 +07 09 25.96 L C51
2018-09-10 06:10:46 S 05 07 24.698 +07 09 19.87 L C51
2018-09-10 07:45:01 S 05 07 24.170 +07 09 16.27 L C51
2018-09-10 10:53:31 S 05 07 23.006 +07 09 06.01 L C51
2018-10-15 13:33:26 C 04 23 27.622 +05 58 27.61 U F52
2018-10-15 13:50:44 C 04 23 25.592 +05 58 25.98 U F52
2018-10-15 14:07:56 C 04 23 23.572 +05 58 24.45 U F52
2018-10-15 14:25:08 C 04 23 21.562 +05 58 22.85 U F52
2018-10-18 11:26:57 C 04 15 20.75 +05 52 14.5 V G96
2018-10-18 11:34:16 C 04 15 19.85 +05 52 14.2 V G96