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
2007-05-27 10:21:37 C 20 51 49.64 -16 21 37.1 r 703
2007-06-09 09:45:19 C 20 32 03.22 -10 30 13.6 r 703
2007-06-09 09:46:05 C 20 32 03.12 -10 30 12.9 r 703
2007-06-09 09:56:32 C 20 32 02.07 -10 30 00.2 r 703
2007-06-09 09:57:18 C 20 32 01.93 -10 29 58.8 r 703
2007-06-09 10:07:47 C 20 32 00.96 -10 29 46.7 r 703
2007-06-09 10:08:35 C 20 32 00.88 -10 29 45.4 r 703
2007-06-09 10:19:05 C 20 31 59.84 -10 29 32.3 r 703
2007-06-09 10:19:51 C 20 31 59.77 -10 29 31.0 r 703
2007-06-09 23:49:54 C 20 30 44.81 -10 12 58.4 r A13
2007-06-10 00:14:04 C 20 30 42.40 -10 12 28.7 r A13
2007-06-13 10:04:20 C 20 22 15.24 -08 29 29.0 r 683
2007-06-13 10:12:38 C 20 22 14.28 -08 29 18.6 r 683
2007-06-13 10:19:03 C 20 22 13.48 -08 29 11.1 r 683
2007-06-13 10:31:03 C 20 22 12.04 -08 28 55.9 r 683
2007-06-13 10:42:00 C 20 22 10.79 -08 28 41.6 r 683
2007-06-13 10:50:19 C 20 22 09.79 -08 28 29.9 r 683
2007-06-13 16:44:47 C 20 21 30.27 -08 20 25.6 r E12
2007-06-13 17:03:39 C 20 21 28.00 -08 20 00.9 r E12
2007-06-13 17:22:44 C 20 21 25.74 -08 19 36.6 r E12
2007-06-13 17:41:45 C 20 21 23.43 -08 19 12.1 r E12
2007-06-14 09:59:30 C 20 19 31.70 -07 58 43.2 r 683
2007-06-14 10:12:24 C 20 19 30.11 -07 58 26.4 r 683
2007-06-14 10:21:58 C 20 19 28.92 -07 58 13.6 r 683
2007-06-14 10:31:14 C 20 19 27.77 -07 58 02.0 r 683
2007-06-14 10:40:55 C 20 19 26.56 -07 57 49.4 r 683
2007-06-14 10:48:54 C 20 19 25.58 -07 57 39.1 r 683
2007-06-14 10:56:55 C 20 19 24.59 -07 57 28.8 r 683
2007-06-14 11:09:18 C 20 19 23.05 -07 57 12.8 r 683
2007-06-19 17:29:49 C 20 03 03.07 -05 10 54.2 m 355
2007-06-19 17:34:11 C 20 03 02.45 -05 10 47.6 m 355
2007-06-23 01:17:21 C 19 51 11.54 -03 24 18.1 r B19
2007-06-23 01:24:38 C 19 51 10.34 -03 24 07.7 r B19
2007-06-23 01:31:58 C 19 51 09.17 -03 23 57.9 r B19
2007-06-23 08:59:38 C 19 49 59.30 -03 13 56.9 r 683
2007-06-23 09:10:10 C 19 49 57.55 -03 13 43.7 r 683
2007-06-23 09:21:10 C 19 49 55.79 -03 13 27.9 r 683
2007-06-23 09:28:12 C 19 49 54.63 -03 13 18.0 r 683
2007-06-23 09:44:10 C 19 49 51.99 -03 12 57.9 r 683
2007-06-23 09:51:23 C 19 49 50.81 -03 12 48.0 r 683
2007-06-24 01:36:13 C 19 47 21.48 -02 51 55.0 17.7 r 130
2007-06-24 01:37:39 C 19 47 21.24 -02 51 53.2 17.7 r 130
2007-06-24 01:44:53 C 19 47 20.01 -02 51 43.8 17.6 r 130
2007-06-24 01:46:19 C 19 47 19.81 -02 51 41.9 17.6 r 130
2007-06-24 08:40:43 C 19 46 14.03 -02 42 25.2 r 683
2007-06-24 09:01:02 C 19 46 10.63 -02 41 58.3 r 683
2007-06-24 09:15:40 C 19 46 08.13 -02 41 38.5 r 683
2007-06-24 09:27:12 C 19 46 06.25 -02 41 23.3 r 683
2007-06-24 09:37:53 C 19 46 04.41 -02 41 10.5 r 683
2007-07-04 22:36:27 C 19 02 10.12 +02 32 21.7 c A24