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
2024-10-24 07:39:23 C 00 00 28.025 -15 51 19.43 X F51
2024-10-24 07:55:49 C 00 00 27.106 -15 51 18.24 X F51
2024-10-24 08:12:17 C 00 00 26.179 -15 51 17.00 X F51
2024-10-24 08:28:47 C 00 00 25.248 -15 51 15.95 X F51
2024-10-25 06:24:22 C 23 59 16.825 -15 49 31.11 X F51
2024-10-25 06:40:29 C 23 59 15.945 -15 49 29.68 X F51
2024-10-25 06:56:37 C 23 59 15.072 -15 49 28.36 X F51
2024-10-25 07:12:45 C 23 59 14.179 -15 49 27.05 X F51
2024-11-08 02:46:01 C 23 46 49.854 -14 40 31.76 V G96
2024-11-08 02:54:11 C 23 46 49.688 -14 40 29.28 V G96
2024-11-08 03:02:19 C 23 46 49.451 -14 40 27.62 V G96
2024-11-08 03:10:29 C 23 46 49.213 -14 40 24.71 V G96
2024-11-09 01:58:02 C 23 46 19.776 -14 33 03.31 V G96
2024-11-09 02:09:29 C 23 46 19.506 -14 32 58.52 V G96
2024-11-09 02:17:40 C 23 46 19.362 -14 32 56.29 V G96
2024-11-09 02:25:51 C 23 46 19.146 -14 32 53.70 V G96
2024-12-20 05:30:50 C 00 03 50.117 -05 50 14.13 X F52
2024-12-20 05:51:23 C 00 03 51.083 -05 50 00.20 X F52
2024-12-20 06:32:11 C 00 03 53.008 -05 49 32.75 X F52
2025-01-23 12:21:25 C 00 59 19.598 +04 27 47.78 O18
2025-01-23 14:17:58 C 00 59 29.269 +04 29 22.66 O18
2025-01-29 12:29:06 C 01 11 49.387 +06 26 17.69 O18
2025-01-29 12:30:42 C 01 11 49.496 +06 26 19.10 O18