136839 (1997 WT22)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3057994444 ± 2.30e-08
Semi-major axis (a)1.4853820888 AU ± 9.01e-10
Inclination (i)8.15876885° ± 3.05e-06
Long. of Asc. Node (Ω)71.90256758° ± 1.39e-05
Arg. of Perihelion (ω)74.82997435° ± 1.49e-05
Mean Anomaly (M)111.77247506° ± 5.89e-06
Mean Motion (n)0.5444462389°/day ± 4.95e-10
Perihelion dist (q)1.03115307 AU ± 3.42e-08
Aphelion dist (Q)1.93961111 AU ± 3.42e-08
Orbital Period1.81032802 yr ± 1.65e-09
Physical Parameters
H (abs. magnitude)18.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.386″
Uncertainty0
Orbit TypeAmor
MOID0.130344 AU
Observations Used496
Oppositions17
Arc Total1988-2025
First Observation Used1988-12-13
Last Observation Used2025-01-29
Observations (573)
Date Type RA Dec Mag Band Observatory
2015-12-31 06:11:49 C 00 42 47.683 +01 14 00.90 L F51
2016-01-12 02:57:27 C 01 00 06.85 +04 57 52.4 q 703
2016-01-12 03:04:42 C 01 00 07.26 +04 57 58.5 q 703
2016-01-12 03:11:57 C 01 00 07.81 +04 58 05.0 q 703
2016-01-29 06:05:48 C 01 32 39.628 +10 46 15.98 L F51
2016-01-29 06:15:21 C 01 32 40.473 +10 46 24.61 L F51
2016-01-29 06:24:58 C 01 32 41.308 +10 46 32.89 L F51
2016-01-29 06:34:35 C 01 32 42.159 +10 46 41.05 L F51
2017-11-18 11:00:21 C 08 30 04.84 +20 35 06.7 U 703
2017-11-18 11:08:15 C 08 30 06.25 +20 35 09.1 U 703
2017-11-18 11:16:19 C 08 30 07.64 +20 35 10.4 U 703
2017-11-18 11:24:18 C 08 30 08.88 +20 35 12.7 U 703
2017-11-20 12:33:49 C 08 38 58.725 +20 44 37.97 L F51
2017-11-20 12:50:33 C 08 39 01.694 +20 44 41.37 L F51
2017-11-20 13:07:17 C 08 39 04.656 +20 44 44.85 L F51
2017-11-20 13:24:02 C 08 39 07.619 +20 44 48.27 L F51
2017-11-22 10:26:46 C 08 47 26.71 +20 53 13.6 U 703
2017-11-22 10:36:07 C 08 47 28.45 +20 53 15.2 U 703
2017-11-22 10:45:27 C 08 47 30.14 +20 53 17.2 U 703
2017-11-22 10:54:43 C 08 47 31.83 +20 53 19.9 U 703
2017-11-26 10:04:11 C 09 05 53.45 +21 10 33.5 U 703
2017-11-26 10:11:47 C 09 05 54.94 +21 10 35.0 U 703
2017-11-26 10:19:24 C 09 05 56.37 +21 10 37.5 U 703
2017-11-26 10:27:02 C 09 05 57.82 +21 10 38.7 U 703
2017-11-27 08:17:55 C 09 10 20.69 +21 14 21.2 U G96
2017-11-27 08:25:25 C 09 10 22.17 +21 14 22.7 U G96
2017-11-27 08:32:57 C 09 10 23.67 +21 14 24.1 U G96
2017-11-27 08:40:30 C 09 10 25.16 +21 14 25.6 U G96
2017-12-12 14:37:13 C 10 32 32.23 +21 50 06.5 U T05
2017-12-12 14:50:59 C 10 32 35.50 +21 50 06.5 U T05
2017-12-12 15:02:46 C 10 32 38.45 +21 50 06.3 U T05
2017-12-12 15:17:55 C 10 32 41.91 +21 50 06.4 U T05
2017-12-14 10:10:43 C 10 43 21.05 +21 48 42.2 U 703
2017-12-14 10:18:18 C 10 43 22.81 +21 48 41.3 U 703
2017-12-14 10:25:53 C 10 43 24.62 +21 48 40.6 U 703
2017-12-14 10:33:29 C 10 43 26.50 +21 48 40.6 U 703
2017-12-14 10:59:58 C 10 43 32.94 +21 48 39.6 U G96
2017-12-14 11:07:29 C 10 43 34.77 +21 48 39.3 U G96
2017-12-14 11:15:01 C 10 43 36.60 +21 48 39.0 U G96
2017-12-14 11:22:32 C 10 43 38.43 +21 48 38.7 U G96
2017-12-19 03:56:10 C 11 12 16.77 +21 37 02.9 q 160
2017-12-19 03:59:09 C 11 12 17.51 +21 37 02.8 q 160
2017-12-19 04:02:09 C 11 12 18.29 +21 37 01.1 q 160
2017-12-21 03:04:46 C 11 24 30.62 +21 28 26.2 U 160
2017-12-21 03:07:45 C 11 24 31.33 +21 28 25.9 U 160
2017-12-21 03:10:45 C 11 24 32.14 +21 28 25.2 U 160
2017-12-21 10:41:16 C 11 26 29.81 +21 26 54.6 U 703
2017-12-21 10:48:50 C 11 26 31.73 +21 26 53.5 U 703
2017-12-21 10:56:25 C 11 26 33.63 +21 26 51.6 U 703
2017-12-21 11:03:59 C 11 26 35.57 +21 26 50.2 U 703