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
2018-06-06 09:39:41 C 15 50 30.64 -19 28 22.9 U T08
2018-06-06 09:53:39 C 15 50 29.76 -19 28 29.2 U T08
2018-06-06 09:55:38 C 15 50 29.64 -19 28 30.4 U T08
2018-06-06 10:00:16 C 15 50 29.34 -19 28 32.2 U T08
2018-06-07 06:52:50 C 15 49 19.04 -19 38 26.0 o 691
2018-06-07 07:19:11 C 15 49 17.51 -19 38 38.1 o 691
2018-06-07 07:45:31 C 15 49 15.96 -19 38 50.2 o 691
2018-06-10 05:15:12 C 15 45 43.27 -20 10 13.4 o 691
2018-06-10 05:19:14 C 15 45 43.09 -20 10 15.4 o 691
2018-06-10 05:23:15 C 15 45 42.87 -20 10 17.2 o 691
2018-06-10 09:18:12 C 15 45 31.55 -20 11 57.3 U T08
2018-06-10 09:29:32 C 15 45 30.88 -20 12 01.3 U T08
2018-06-10 09:40:49 C 15 45 30.22 -20 12 06.9 U T08
2018-06-10 09:59:25 C 15 45 29.34 -20 12 13.8 U T08
2018-06-14 08:13:23 C 15 41 34.356 -20 51 36.38 U F51
2018-06-14 08:29:23 C 15 41 33.692 -20 51 42.86 U F51
2018-06-14 08:45:23 C 15 41 33.026 -20 51 49.21 U F51
2018-06-14 09:01:22 C 15 41 32.367 -20 51 55.63 U F51
2018-06-14 09:10:40 C 15 41 31.98 -20 51 59.4 U T08
2018-06-14 09:22:00 C 15 41 31.50 -20 52 03.1 U T08
2018-06-14 09:33:16 C 15 41 31.06 -20 52 08.0 U T08
2018-06-14 09:44:34 C 15 41 30.58 -20 52 12.4 U T08
2018-06-18 06:45:44 C 15 38 36.94 -21 28 06.4 U 703
2018-06-18 06:53:21 C 15 38 36.69 -21 28 08.4 U 703
2018-06-18 07:00:58 C 15 38 36.46 -21 28 11.2 U 703
2018-07-11 06:47:26 C 15 38 47.427 -24 21 03.31 U F51
2018-07-11 07:06:36 C 15 38 47.795 -24 21 08.46 U F51
2018-07-11 07:25:45 C 15 38 48.172 -24 21 13.61 U F51
2018-07-11 07:44:58 C 15 38 48.554 -24 21 18.71 U F51
2020-06-15 12:47:59 C 20 59 33.628 -26 25 52.45 U F51
2020-06-15 13:02:52 C 20 59 33.234 -26 25 59.60 U F51
2020-06-20 12:53:32 C 20 56 00.616 -27 26 22.40 U F51
2020-06-20 13:08:27 C 20 56 00.044 -27 26 30.18 U F51
2020-06-20 13:23:19 C 20 55 59.481 -27 26 38.04 U F51
2020-06-20 13:38:12 C 20 55 58.900 -27 26 45.58 U F51
2020-06-24 12:12:44 C 20 52 12.153 -28 16 56.01 U F51
2020-06-24 12:27:50 C 20 52 11.430 -28 17 04.27 U F51
2020-06-24 12:42:58 C 20 52 10.723 -28 17 12.41 U F51
2020-07-23 09:19:55 C 20 04 53.002 -33 46 41.47 U F51
2020-07-23 09:33:26 C 20 04 51.894 -33 46 45.72 U F51
2020-07-23 09:46:58 C 20 04 50.790 -33 46 50.07 U F51
2020-07-23 10:00:28 C 20 04 49.685 -33 46 54.18 U F51
2020-08-14 06:37:40 C 19 30 40.535 -34 58 27.50 U F51
2020-08-14 06:50:44 C 19 30 39.914 -34 58 27.35 U F51
2020-08-14 07:16:48 C 19 30 38.659 -34 58 27.17 U F51
2020-09-13 05:41:58 C 19 21 38.653 -33 27 33.15 U F51
2020-09-13 05:56:24 C 19 21 38.874 -33 27 30.45 U F51
2020-09-13 06:10:43 C 19 21 39.061 -33 27 27.80 U F51
2020-09-13 06:25:05 C 19 21 39.294 -33 27 24.83 U F51
2022-08-18 09:35:36 C 22 43 27.677 -25 47 33.21 U F52