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
2007-08-06 21:57:01 C 17 20 40.94 +08 09 38.6 c A24
2007-08-06 21:58:27 C 17 20 40.88 +08 09 38.5 c A24
2007-08-06 22:30:06 C 17 20 38.91 +08 09 35.9 c A24
2007-08-10 20:57:44 C 17 15 59.14 +07 58 17.2 c A24
2007-08-10 20:59:10 C 17 15 59.14 +07 58 17.2 c A24
2007-08-10 21:16:44 C 17 15 58.30 +07 58 14.5 c A24
2007-08-10 21:35:45 C 17 15 57.46 +07 58 12.3 c A24
2007-08-10 21:53:19 C 17 15 56.67 +07 58 09.7 c A24
2007-08-10 21:54:44 C 17 15 56.58 +07 58 09.8 c A24
2007-08-12 20:59:19 C 17 14 08.24 +07 50 35.9 c A24
2007-08-12 21:00:44 C 17 14 08.17 +07 50 36.0 c A24
2007-08-12 21:18:17 C 17 14 07.52 +07 50 32.8 c A24
2007-08-12 21:37:16 C 17 14 06.79 +07 50 29.3 c A24
2007-08-12 21:56:13 C 17 14 06.04 +07 50 25.4 c A24
2008-06-27 09:38:47 C 22 59 08.12 +14 52 46.0 r 703
2008-06-27 09:47:24 C 22 59 08.52 +14 53 00.8 r 703
2008-06-27 09:55:58 C 22 59 08.88 +14 53 14.3 r 703
2008-06-27 10:04:32 C 22 59 09.34 +14 53 28.6 r 703
2008-06-30 23:49:43 C 23 03 38.58 +17 21 36.1 r B67
2008-07-01 00:02:25 C 23 03 39.22 +17 21 58.6 r B67
2008-07-01 00:15:02 C 23 03 39.84 +17 22 21.3 r B67
2008-07-22 22:49:55 C 23 29 01.50 +36 06 44.0 r A13
2008-07-22 23:19:19 C 23 29 02.78 +36 07 58.8 r A13
2008-08-03 20:42:29 C 23 43 24.17 +49 38 16.1 c B67
2008-08-03 20:49:54 C 23 43 24.59 +49 38 39.6 c B67
2008-08-03 20:57:14 C 23 43 25.00 +49 39 02.9 c B67
2016-05-06 12:45:55 S 04 14 40.810 -72 49 42.67 L C51
2016-05-13 12:33:54 C 09 59 38.61 -79 15 12.7 q Q62
2016-05-13 12:35:53 C 09 59 43.25 -79 15 05.2 q Q62
2016-05-14 10:20:28 C 10 46 31.15 -77 41 47.6 q Q62
2016-05-14 10:21:24 C 10 46 32.80 -77 41 42.9 q Q62
2016-05-14 10:24:00 C 10 46 37.44 -77 41 30.0 q Q62
2016-05-14 13:03:50 C 10 51 20.70 -77 27 46.1 q Q62
2016-05-14 13:05:39 C 10 51 23.97 -77 27 36.5 q Q62
2016-05-14 13:10:18 C 10 51 32.13 -77 27 11.9 q Q62
2016-05-17 23:02:15 C 12 24 17.57 -68 55 35.5 r Y00
2016-05-17 23:04:08 C 12 24 18.91 -68 55 23.3 r Y00
2016-05-17 23:05:34 C 12 24 19.84 -68 55 13.2 r Y00
2016-05-23 09:42:31 C 13 16 06.16 -53 52 31.8 q Q62
2016-05-23 09:43:48 C 13 16 06.43 -53 52 23.5 q Q62
2016-05-23 09:45:00 C 13 16 06.70 -53 52 15.6 q Q62
2016-05-23 09:45:50 C 13 16 06.84 -53 52 10.2 q Q62
2016-05-23 09:46:41 C 13 16 07.03 -53 52 04.7 q Q62
2016-05-23 09:47:32 C 13 16 07.22 -53 51 59.1 q Q62
2016-05-23 09:48:23 C 13 16 07.38 -53 51 53.7 q Q62
2016-05-23 09:49:12 C 13 16 07.56 -53 51 48.2 q Q62
2016-05-23 22:41:45 C 13 19 02.09 -52 28 05.4 r Y00
2016-05-23 22:43:39 C 13 19 02.41 -52 27 53.3 r Y00
2016-05-23 22:45:09 C 13 19 02.68 -52 27 42.9 r Y00
2016-05-24 10:03:19 C 13 21 24.71 -51 15 10.3 q Q62