136818 (1997 MW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3463386925 ± 3.01e-08
Semi-major axis (a)0.9375005404 AU ± 2.73e-09
Inclination (i)12.77777727° ± 3.24e-06
Long. of Asc. Node (Ω)259.92112272° ± 7.36e-06
Arg. of Perihelion (ω)203.83772352° ± 1.04e-05
Mean Anomaly (M)269.32122791° ± 1.72e-05
Mean Motion (n)1.0858128727°/day ± 4.75e-09
Perihelion dist (q)0.61280783 AU ± 2.83e-08
Aphelion dist (Q)1.26219325 AU ± 2.85e-08
Orbital Period0.90773126 yr ± 3.97e-09
NGA Modelr2
A24.10622782e-14 ± 3.13e-15 AU/d²
Physical Parameters
H (abs. magnitude)18.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.474″
Uncertainty0
Orbit TypeAten
MOID0.112651 AU
Observations Used643
Oppositions2
Arc Total1997-2019
First Observation Used1997-06-29
Last Observation Used2019-05-07
Observations (656)
Date Type RA Dec Mag Band Observatory
2007-07-12 22:16:58 C 18 28 29.46 +05 31 27.3 c A24
2007-07-12 22:33:35 C 18 28 26.58 +05 31 39.9 c A24
2007-07-12 22:40:29 C 18 28 25.33 +05 31 44.5 c A24
2007-07-13 21:25:37 C 18 24 39.87 +05 48 22.5 c A24
2007-07-13 22:32:00 C 18 24 28.45 +05 49 10.9 c A24
2007-07-13 22:33:28 C 18 24 28.29 +05 49 11.6 c A24
2007-07-14 21:40:28 C 18 20 43.72 +06 05 01.7 c A24
2007-07-14 22:12:47 C 18 20 38.31 +06 05 23.5 c A24
2007-07-14 22:14:14 C 18 20 38.08 +06 05 24.5 c A24
2007-07-14 22:45:22 C 18 20 32.89 +06 05 45.9 c A24
2007-07-17 21:24:45 C 18 09 38.29 +06 47 35.6 c A24
2007-07-17 21:26:10 C 18 09 38.05 +06 47 36.7 c A24
2007-07-17 22:29:45 C 18 09 28.24 +06 48 10.2 c A24
2007-07-17 22:31:10 C 18 09 27.94 +06 48 11.6 c A24
2007-07-18 21:38:26 C 18 06 05.55 +06 59 47.8 c A24
2007-07-18 21:39:52 C 18 06 05.32 +06 59 48.4 c A24
2007-07-18 22:10:20 C 18 06 00.74 +07 00 02.7 c A24
2007-07-18 22:11:46 C 18 06 00.56 +07 00 03.6 c A24
2007-07-18 22:43:20 C 18 05 55.86 +07 00 18.4 c A24
2007-07-18 22:44:44 C 18 05 55.60 +07 00 19.1 c A24
2007-07-19 22:08:29 C 18 02 37.08 +07 11 01.4 c A24
2007-07-19 22:09:54 C 18 02 36.82 +07 11 02.3 c A24
2007-07-19 22:41:33 C 18 02 32.21 +07 11 16.6 c A24
2007-07-19 22:42:58 C 18 02 31.98 +07 11 18.0 c A24
2007-07-24 21:32:55 C 17 47 22.48 +07 51 20.4 c A24
2007-07-24 21:34:23 C 17 47 22.36 +07 51 20.5 c A24
2007-07-24 21:44:46 C 17 47 21.08 +07 51 23.0 c A24
2007-07-24 21:56:37 C 17 47 19.66 +07 51 25.7 c A24
2007-07-24 22:07:00 C 17 47 18.40 +07 51 28.2 c A24
2007-07-24 22:08:29 C 17 47 18.21 +07 51 28.6 c A24
2007-07-24 22:18:16 C 17 47 17.01 +07 51 31.0 c A24
2007-07-24 22:29:33 C 17 47 15.65 +07 51 33.3 c A24
2007-07-24 22:39:21 C 17 47 14.45 +07 51 36.0 c A24
2007-07-24 22:40:48 C 17 47 14.30 +07 51 36.2 c A24
2007-07-25 21:57:29 C 17 44 36.52 +07 56 51.6 c A24
2007-07-25 22:07:57 C 17 44 35.29 +07 56 53.9 c A24
2007-07-25 22:19:49 C 17 44 33.91 +07 56 56.5 c A24
2007-07-25 22:30:15 C 17 44 32.69 +07 56 58.9 c A24
2007-07-25 22:31:41 C 17 44 32.52 +07 56 59.0 c A24
2007-07-25 22:42:02 C 17 44 31.33 +07 57 01.0 c A24
2007-07-25 22:53:48 C 17 44 29.97 +07 57 03.1 c A24
2007-07-25 23:04:09 C 17 44 28.80 +07 57 05.0 c A24
2007-07-25 23:05:34 C 17 44 28.62 +07 57 05.4 c A24
2007-07-28 21:35:15 C 17 37 11.32 +08 08 26.9 c A24
2007-07-28 21:36:42 C 17 37 11.15 +08 08 27.5 c A24
2007-07-28 21:44:46 C 17 37 10.33 +08 08 28.1 c A24
2007-07-28 21:54:16 C 17 37 09.35 +08 08 29.2 c A24
2007-07-28 22:02:20 C 17 37 08.49 +08 08 29.9 c A24
2007-07-28 22:03:46 C 17 37 08.38 +08 08 30.3 c A24
2007-08-06 21:33:44 C 17 20 42.38 +08 09 40.3 c A24