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
2022-08-18 09:50:29 C 22 43 26.686 -25 47 40.46 U F52
2022-08-18 10:05:16 C 22 43 25.701 -25 47 47.97 U F52
2022-08-18 10:20:06 C 22 43 24.707 -25 47 55.14 U F52
2022-08-25 09:52:17 C 22 32 06.475 -27 03 32.21 U F51
2022-08-25 10:07:10 C 22 32 05.393 -27 03 38.37 U F51
2022-08-25 10:22:03 C 22 32 04.314 -27 03 44.38 U F51
2022-08-30 09:28:07 C 22 23 44.484 -27 47 57.33 U F52
2022-08-30 09:42:49 C 22 23 43.405 -27 48 02.32 U F52
2022-08-30 09:57:29 C 22 23 42.342 -27 48 07.27 U F52
2022-08-30 10:12:05 C 22 23 41.289 -27 48 11.96 U F52
2022-09-15 07:22:46 C 21 59 15.496 -29 02 04.96 U F52
2022-09-15 07:38:21 C 21 59 14.618 -29 02 05.96 U F52
2022-09-15 07:53:56 C 21 59 13.723 -29 02 06.75 U F52
2022-09-15 08:09:31 C 21 59 12.843 -29 02 07.67 U F52
2022-09-20 06:42:52 C 21 53 13.890 -29 03 53.76 U F52
2022-09-20 06:57:31 C 21 53 13.174 -29 03 53.65 U F52
2022-09-20 07:12:10 C 21 53 12.464 -29 03 53.20 U F52
2022-09-20 07:26:51 C 21 53 11.729 -29 03 52.84 U F52
2022-10-16 05:37:06 C 21 40 12.377 -27 09 40.55 U F51
2022-10-16 05:53:11 C 21 40 12.396 -27 09 36.08 U F51
2022-10-16 06:09:16 C 21 40 12.397 -27 09 31.17 U F51
2024-08-16 13:59:07 C 01 17 58.673 -07 02 28.50 X F52
2024-08-16 14:13:31 C 01 17 58.700 -07 02 32.34 X F52
2024-08-16 14:27:56 C 01 17 58.730 -07 02 36.25 X F52
2024-08-16 14:42:19 C 01 17 58.752 -07 02 40.11 X F52
2024-09-04 10:56:38 C 01 12 12.337 -09 44 47.62 V G96
2024-09-04 11:04:23 C 01 12 12.096 -09 44 51.07 V G96
2024-09-04 11:09:12 C 01 12 11.930 -09 44 53.23 V G96
2024-09-04 11:16:57 C 01 12 11.718 -09 44 56.47 V G96
2024-09-05 13:19:59 C 01 11 21.937 -09 56 22.45 X F51
2024-09-05 13:56:23 C 01 11 20.635 -09 56 38.62 X F51
2024-09-05 14:14:35 C 01 11 19.989 -09 56 46.64 X F51
2024-09-11 11:32:56 C 01 05 51.015 -11 01 13.20 X F51
2024-09-11 12:08:33 C 01 05 49.333 -11 01 29.74 X F51
2024-09-11 12:25:36 C 01 05 48.523 -11 01 37.72 X F51
2024-09-11 12:49:16 C 01 05 47.401 -11 01 48.73 X F51
2024-09-13 07:10:48 C 01 03 50.144 -11 21 37.30 V G96
2024-09-13 07:18:14 C 01 03 49.770 -11 21 40.79 V G96
2024-09-13 07:25:41 C 01 03 49.352 -11 21 44.28 V G96
2024-09-13 07:33:07 C 01 03 49.043 -11 21 47.70 V G96
2024-10-03 09:43:29 C 00 33 38.202 -14 45 33.23 X F51
2024-10-03 10:00:06 C 00 33 36.960 -14 45 38.53 X F51
2024-10-03 10:18:29 C 00 33 35.579 -14 45 44.48 X F51
2024-10-08 05:37:15 C 00 25 17.850 -15 18 15.80 V G96
2024-10-08 05:44:42 C 00 25 17.306 -15 18 17.75 V G96
2024-10-08 05:52:09 C 00 25 16.770 -15 18 19.40 V G96
2024-10-08 05:59:35 C 00 25 16.201 -15 18 21.20 V G96
2024-10-21 05:05:18 C 00 04 37.866 -15 54 24.16 V G96
2024-10-21 05:13:30 C 00 04 37.351 -15 54 23.62 V G96
2024-10-21 05:21:41 C 00 04 36.865 -15 54 22.79 V G96