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
2007-07-04 22:53:50 C 19 02 06.86 +02 32 40.8 c A24
2007-07-04 23:17:19 C 19 02 02.47 +02 33 07.0 c A24
2007-07-04 23:18:44 C 19 02 02.15 +02 33 07.2 c A24
2007-07-04 23:30:27 C 19 02 00.00 +02 33 20.4 c A24
2007-07-04 23:55:19 C 19 01 55.28 +02 33 47.9 c A24
2007-07-04 23:56:44 C 19 01 54.97 +02 33 49.1 c A24
2007-07-05 00:07:52 C 19 01 52.92 +02 34 01.5 c A24
2007-07-05 00:20:27 C 19 01 50.58 +02 34 15.0 c A24
2007-07-05 00:31:35 C 19 01 48.48 +02 34 27.3 c A24
2007-07-05 00:33:01 C 19 01 48.23 +02 34 28.6 c A24
2007-07-05 00:51:46 C 19 01 44.75 +02 34 49.2 c A24
2007-07-05 22:54:39 C 18 57 47.24 +02 58 37.0 c A24
2007-07-05 23:11:36 C 18 57 44.08 +02 58 54.9 c A24
2007-07-05 23:26:33 C 18 57 41.28 +02 59 10.8 c A24
2007-07-05 23:47:29 C 18 57 37.37 +02 59 32.8 c A24
2007-07-05 23:48:54 C 18 57 37.10 +02 59 34.5 c A24
2007-07-06 22:08:38 C 18 53 37.13 +03 22 49.0 c A24
2007-07-06 22:24:10 C 18 53 34.24 +03 23 04.8 c A24
2007-07-06 22:37:05 C 18 53 31.83 +03 23 18.1 c A24
2007-07-06 22:38:31 C 18 53 31.57 +03 23 19.6 c A24
2007-07-06 22:50:01 C 18 53 29.45 +03 23 31.3 c A24
2007-07-06 23:02:57 C 18 53 27.04 +03 23 44.5 c A24
2007-07-06 23:14:28 C 18 53 24.94 +03 23 56.0 c A24
2007-07-06 23:15:53 C 18 53 24.63 +03 23 57.9 c A24
2007-07-06 23:28:04 C 18 53 22.37 +03 24 10.4 c A24
2007-07-06 23:53:52 C 18 53 17.54 +03 24 36.8 c A24
2007-07-06 23:55:21 C 18 53 17.26 +03 24 38.3 c A24
2007-07-07 22:47:53 C 18 49 12.38 +03 47 31.2 c A24
2007-07-07 22:50:51 C 18 49 11.95 +03 47 33.6 c A24
2007-07-07 23:03:42 C 18 49 09.47 +03 47 46.8 c A24
2007-07-07 23:28:57 C 18 49 04.83 +03 48 11.4 c A24
2007-07-07 23:30:24 C 18 49 04.54 +03 48 13.3 c A24
2007-07-07 23:41:24 C 18 49 02.50 +03 48 23.5 c A24
2007-07-08 00:00:26 C 18 48 59.02 +03 48 42.6 c A24
2007-07-08 00:04:52 C 18 48 58.19 +03 48 45.9 c A24
2007-07-08 00:06:20 C 18 48 57.84 +03 48 48.7 c A24
2007-07-08 00:16:47 C 18 48 56.01 +03 48 58.7 c A24
2007-07-08 08:11:26 C 18 47 31.00 +03 56 43.4 r H45
2007-07-08 08:12:56 C 18 47 30.72 +03 56 44.3 r H45
2007-07-08 08:17:11 C 18 47 29.95 +03 56 48.9 r H45
2007-07-08 08:18:51 C 18 47 29.65 +03 56 50.5 r H45
2007-07-08 08:20:05 C 18 47 29.42 +03 56 51.6 r H45
2007-07-12 05:57:52 C 18 31 14.43 +05 18 56.4 c 670
2007-07-12 06:40:43 C 18 31 06.92 +05 19 30.1 c 670
2007-07-12 07:23:31 C 18 30 59.43 +05 20 04.2 c 670
2007-07-12 21:34:18 C 18 28 36.83 +05 30 55.1 c A24
2007-07-12 21:35:47 C 18 28 36.64 +05 30 56.2 c A24
2007-07-12 21:46:01 C 18 28 34.83 +05 31 03.7 c A24
2007-07-12 21:59:54 C 18 28 32.45 +05 31 14.2 c A24
2007-07-12 22:07:58 C 18 28 31.03 +05 31 19.6 c A24