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
2018-02-14 16:08:49 S 15 57 41.02 +07 42 28.2 L C51
2018-02-14 19:17:20 S 15 58 04.68 +07 40 24.9 L C51
2018-02-14 22:25:50 S 15 58 28.23 +07 38 23.5 L C51
2018-02-15 01:34:20 S 15 58 51.71 +07 36 21.9 L C51
2018-02-15 04:42:50 S 15 59 15.18 +07 34 20.1 L C51
2018-02-15 07:51:20 S 15 59 38.556 +07 32 18.31 L C51
2018-02-15 14:08:20 S 16 00 25.18 +07 28 15.8 L C51
2018-02-15 17:16:51 S 16 00 48.41 +07 26 13.3 L C51
2018-02-15 20:25:21 S 16 01 11.69 +07 24 14.6 L C51
2018-02-15 23:33:51 S 16 01 34.65 +07 22 12.7 L C51
2018-02-16 05:50:52 S 16 02 20.63 +07 18 11.8 L C51
2018-02-16 07:25:07 S 16 02 32.08 +07 17 12.1 L C51
2018-02-16 08:59:21 S 16 02 43.56 +07 16 11.7 L C51
2018-02-16 10:33:36 S 16 02 55.00 +07 15 11.8 L C51
2018-02-16 12:07:52 S 16 03 06.39 +07 14 12.1 L C51
2018-02-16 13:42:07 S 16 03 17.80 +07 13 10.6 L C51
2018-02-16 15:16:22 S 16 03 29.23 +07 12 12.8 L C51
2018-02-16 16:50:37 S 16 03 40.59 +07 11 10.9 L C51
2018-02-16 18:24:52 S 16 03 51.94 +07 10 11.8 L C51
2018-02-16 19:59:07 S 16 04 03.28 +07 09 12.7 L C51
2018-02-16 21:33:22 S 16 04 14.61 +07 08 11.3 L C51
2018-02-16 23:07:37 S 16 04 25.934 +07 07 12.18 L C51
2018-02-17 00:41:52 S 16 04 37.23 +07 06 12.2 L C51
2018-02-17 02:16:07 S 16 04 48.610 +07 05 13.74 L C51
2018-02-17 03:50:23 S 16 04 59.79 +07 04 12.7 L C51
2018-02-17 05:24:37 S 16 05 11.038 +07 03 13.36 L C51
2018-02-17 08:33:07 S 16 05 33.51 +07 01 14.5 L C51
2018-02-17 10:07:23 S 16 05 44.693 +07 00 14.04 L C51
2018-02-17 11:41:38 S 16 05 55.90 +06 59 15.0 L C51
2018-02-17 13:15:20 S 16 06 07.04 +06 58 14.8 L C51
2018-02-17 14:50:08 S 16 06 18.23 +06 57 17.4 L C51
2018-02-17 14:50:19 S 16 06 18.28 +06 57 17.1 L C51
2018-02-17 17:58:38 S 16 06 40.55 +06 55 18.8 L C51
2018-02-17 19:32:53 S 16 06 51.64 +06 54 18.0 L C51
2018-02-17 21:07:08 S 16 07 02.79 +06 53 18.7 L C51
2018-02-17 21:07:19 S 16 07 02.81 +06 53 19.4 L C51
2018-02-18 03:24:08 S 16 07 47.12 +06 49 22.5 L C51
2018-02-18 03:24:20 S 16 07 47.14 +06 49 22.9 L C51
2018-02-18 06:32:38 S 16 08 09.16 +06 47 24.2 L C51
2018-02-18 06:32:49 S 16 08 09.15 +06 47 24.3 L C51
2018-02-18 09:41:09 S 16 08 31.229 +06 45 25.38 L C51
2018-02-18 09:41:20 S 16 08 31.193 +06 45 26.75 L C51
2018-02-18 12:49:39 S 16 08 53.13 +06 43 29.0 L C51
2018-02-18 12:49:50 S 16 08 53.17 +06 43 28.7 L C51
2018-02-18 15:58:20 S 16 09 15.06 +06 41 30.5 L C51
2018-02-18 19:06:39 S 16 09 36.87 +06 39 33.8 L C51
2018-02-18 19:06:50 S 16 09 36.84 +06 39 33.6 L C51
2018-02-18 22:15:10 S 16 09 58.61 +06 37 36.2 L C51
2018-02-18 22:15:20 S 16 09 58.63 +06 37 36.9 L C51
2018-02-19 01:23:39 S 16 10 20.29 +06 35 39.2 L C51