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
2015-09-08 13:43:27 C 01 58 43.418 -03 53 07.56 L F51
2015-09-08 14:03:24 C 01 58 43.141 -03 53 14.15 L F51
2015-10-03 08:14:47 C 01 36 52.40 -07 39 02.2 q G96
2015-10-03 08:23:41 C 01 36 51.84 -07 39 05.8 q G96
2015-10-03 08:32:34 C 01 36 51.25 -07 39 09.2 q G96
2015-10-03 08:41:28 C 01 36 50.70 -07 39 12.9 q G96
2015-10-09 08:09:04 C 01 27 23.44 -08 33 07.3 q 703
2015-10-09 08:13:36 C 01 27 23.07 -08 33 08.7 q 703
2015-10-09 08:18:09 C 01 27 22.81 -08 33 10.5 q 703
2015-10-09 08:22:42 C 01 27 22.54 -08 33 10.9 q 703
2015-10-09 12:15:02 C 01 27 06.66 -08 34 19.7 u Q60
2015-10-09 12:28:22 C 01 27 05.64 -08 34 25.4 u Q60
2015-10-09 12:41:50 C 01 27 04.67 -08 34 30.1 u Q60
2015-10-14 07:37:18 C 01 18 43.64 -09 11 52.9 q 703
2015-10-14 07:44:37 C 01 18 43.10 -09 11 54.5 q 703
2015-10-14 07:51:55 C 01 18 42.46 -09 11 57.8 q 703
2015-10-14 07:59:12 C 01 18 41.98 -09 11 59.5 q 703
2015-10-23 02:47:34 C 01 02 47.08 -09 58 56.4 u 807
2015-10-23 02:49:56 C 01 02 46.90 -09 58 56.9 u 807
2015-10-23 02:52:39 C 01 02 46.67 -09 58 57.1 u 807
2015-10-23 02:54:43 C 01 02 46.52 -09 58 57.4 u 807
2015-10-23 02:57:53 C 01 02 46.29 -09 58 57.6 u 807
2015-11-01 04:24:54 C 00 47 22.07 -10 11 45.7 R G45
2015-11-01 04:47:35 C 00 47 20.41 -10 11 45.2 R G45
2015-11-01 04:58:28 C 00 47 19.69 -10 11 45.4 R G45
2015-11-01 05:13:47 C 00 47 18.63 -10 11 45.0 R G45
2015-11-01 05:21:10 C 00 47 18.13 -10 11 44.3 R G45
2015-11-04 04:29:53 C 00 42 49.55 -10 07 13.7 R G45
2015-11-04 04:44:48 C 00 42 48.56 -10 07 12.9 R G45
2015-11-04 04:51:58 C 00 42 48.13 -10 07 12.1 R G45
2015-11-04 05:00:04 C 00 42 47.58 -10 07 11.3 R G45
2015-11-04 05:02:50 C 00 42 47.40 -10 07 10.8 R G45
2015-11-04 05:10:10 C 00 42 46.97 -10 07 10.3 R G45
2015-11-10 05:14:18 C 00 34 54.58 -09 45 11.7 q 703
2015-11-10 05:23:41 C 00 34 54.05 -09 45 11.4 q 703
2015-11-10 05:33:06 C 00 34 53.57 -09 45 08.0 q 703
2015-12-01 06:14:14 C 00 22 35.213 -06 34 21.29 L F51
2015-12-01 06:29:20 C 00 22 35.168 -06 34 13.34 L F51
2015-12-01 06:44:29 C 00 22 35.110 -06 34 05.56 L F51
2015-12-01 06:59:36 C 00 22 35.049 -06 33 57.70 L F51
2015-12-02 02:41:03 C 00 22 35.72 -06 23 41.3 R G45
2015-12-02 02:48:26 C 00 22 35.79 -06 23 36.9 R G45
2015-12-02 02:54:21 C 00 22 35.68 -06 23 34.5 R G45
2015-12-02 03:01:37 C 00 22 35.72 -06 23 30.1 R G45
2015-12-14 05:05:56 C 00 26 34.058 -03 33 04.89 L F51
2015-12-14 05:23:15 C 00 26 34.450 -03 32 53.78 L F51
2015-12-14 05:40:36 C 00 26 34.843 -03 32 42.65 L F51
2015-12-31 05:19:55 C 00 42 45.079 +01 13 21.72 L F51
2015-12-31 05:37:14 C 00 42 45.949 +01 13 34.81 L F51
2015-12-31 05:54:31 C 00 42 46.817 +01 13 47.87 L F51