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
2017-12-22 05:48:12 C 11 31 28.09 +21 22 38.1 18.4 q J43
2017-12-22 05:58:10 C 11 31 30.63 +21 22 35.5 18.4 q J43
2017-12-22 06:08:12 C 11 31 33.13 +21 22 33.3 18.4 q J43
2017-12-22 06:18:06 C 11 31 35.65 +21 22 30.9 18.3 q J43
2017-12-22 06:28:10 C 11 31 38.21 +21 22 28.4 18.2 q J43
2017-12-25 11:46:53 C 11 51 52.95 +21 00 50.7 U 703
2017-12-25 11:54:29 C 11 51 54.90 +21 00 48.6 U 703
2017-12-25 12:02:03 C 11 51 56.83 +21 00 46.1 U 703
2017-12-25 12:09:38 C 11 51 58.73 +21 00 43.7 U 703
2017-12-26 11:01:33 C 11 57 58.45 +20 53 02.7 U G96
2017-12-26 11:09:04 C 11 58 00.36 +20 53 00.2 U G96
2017-12-26 11:16:34 C 11 58 02.29 +20 52 57.6 U G96
2017-12-26 11:24:04 C 11 58 04.18 +20 52 55.1 U G96
2017-12-29 09:26:38 C 12 16 21.15 +20 25 47.1 U 703
2017-12-29 09:34:21 C 12 16 23.13 +20 25 44.2 U 703
2017-12-29 09:42:05 C 12 16 25.14 +20 25 41.4 U 703
2017-12-29 09:49:48 C 12 16 27.04 +20 25 38.2 U 703
2018-01-08 18:10:25 S 13 18 43.00 +18 11 17.7 L C51
2018-01-12 11:54:20 C 13 39 40.02 +17 11 16.5 U 703
2018-01-12 12:01:54 C 13 39 41.76 +17 11 12.7 U 703
2018-01-12 12:09:28 C 13 39 43.39 +17 11 06.1 U 703
2018-01-12 12:23:09 C 13 39 46.41 +17 10 57.1 U 703
2018-01-15 11:24:00 C 13 55 34.25 +16 21 02.2 U 703
2018-01-15 11:31:46 C 13 55 35.88 +16 20 56.8 U 703
2018-01-15 11:39:32 C 13 55 37.53 +16 20 51.4 U 703
2018-01-15 11:47:17 C 13 55 39.15 +16 20 45.7 U 703
2018-01-18 04:50:44 C 14 09 28.71 +15 33 36.5 q 160
2018-01-18 04:53:44 C 14 09 29.40 +15 33 34.4 q 160
2018-01-18 04:56:48 C 14 09 29.94 +15 33 31.9 q 160
2018-01-18 10:43:42 C 14 10 42.95 +15 29 21.9 U 703
2018-01-18 10:53:35 C 14 10 44.94 +15 29 14.9 U 703
2018-01-18 11:01:07 C 14 10 46.48 +15 29 09.2 U 703
2018-01-18 11:08:41 C 14 10 47.98 +15 29 04.3 U 703
2018-01-23 11:28:21 C 14 34 40.19 +14 00 04.2 U 703
2018-01-23 11:35:56 C 14 34 41.57 +13 59 59.4 U 703
2018-01-23 11:43:30 C 14 34 42.98 +13 59 53.4 U 703
2018-01-23 11:51:05 C 14 34 44.33 +13 59 48.2 U 703
2018-01-24 01:52:29 C 14 37 23.62 +13 49 14.9 q 160
2018-01-24 01:55:29 C 14 37 24.11 +13 49 12.7 q 160
2018-01-24 01:58:31 C 14 37 24.72 +13 49 10.8 q 160
2018-02-08 11:36:42 C 15 37 53.95 +09 21 32.0 U 703
2018-02-08 11:46:47 C 15 37 55.28 +09 21 25.3 U 703
2018-02-08 11:56:24 C 15 37 56.58 +09 21 19.0 U 703
2018-02-08 12:03:55 C 15 37 57.59 +09 21 13.8 U 703
2018-02-09 12:17:47 C 15 41 21.09 +09 04 37.9 U 703
2018-02-09 12:25:18 C 15 41 22.06 +09 04 32.4 U 703
2018-02-09 12:32:49 C 15 41 23.07 +09 04 27.9 U 703
2018-02-09 12:41:59 C 15 41 24.24 +09 04 21.6 U 703
2018-02-14 09:51:49 S 15 56 53.558 +07 46 32.59 L C51
2018-02-14 13:00:20 S 15 57 17.32 +07 44 30.0 L C51