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
2017-07-12 04:34:10 C 19 15 41.00 +09 31 20.3 u H21
2017-07-12 04:40:04 C 19 15 39.92 +09 31 26.2 u H21
2017-07-12 04:42:56 C 19 15 39.39 +09 31 28.9 u H21
2017-07-12 04:45:28 C 19 15 38.91 +09 31 31.3 u H21
2017-07-12 04:49:08 C 19 15 38.24 +09 31 35.2 u H21
2017-07-12 05:52:40 C 19 15 26.45 +09 32 37.7 u H21
2017-07-12 05:54:43 C 19 15 26.09 +09 32 39.9 u H21
2017-07-12 05:56:47 C 19 15 25.71 +09 32 41.7 u H21
2017-07-12 05:58:51 C 19 15 25.32 +09 32 43.9 u H21
2017-07-12 06:00:55 C 19 15 24.95 +09 32 46.3 u H21
2017-07-12 06:02:59 C 19 15 24.55 +09 32 48.3 u H21
2017-07-12 06:25:43 C 19 15 20.35 +09 33 10.8 u H21
2017-07-12 06:27:47 C 19 15 19.96 +09 33 12.7 u H21
2017-07-12 06:29:46 C 19 15 19.60 +09 33 14.4 u H21
2017-07-12 06:31:52 C 19 15 19.20 +09 33 16.5 u H21
2017-07-14 21:47:55 C 19 04 05.28 +10 31 39.2 q 160
2017-07-14 21:50:00 C 19 04 04.90 +10 31 41.1 q 160
2017-07-14 21:52:05 C 19 04 04.54 +10 31 42.9 q 160
2017-07-16 22:42:10 C 18 55 28.76 +11 11 12.2 q 160
2017-07-16 22:43:59 C 18 55 28.42 +11 11 14.2 q 160
2017-07-16 22:45:51 C 18 55 28.06 +11 11 15.7 q 160
2017-07-17 21:58:01 C 18 51 26.64 +11 28 15.3 q 160
2017-07-17 22:00:04 C 18 51 26.31 +11 28 16.7 q 160
2017-07-17 22:02:07 C 18 51 25.94 +11 28 18.1 q 160
2017-07-18 08:42:28 C 18 49 34.33 +11 35 47.5 q H15
2017-07-18 08:51:36 C 18 49 32.65 +11 35 53.5 q H15
2017-07-18 09:00:44 C 18 49 31.11 +11 35 59.6 q H15
2017-07-18 22:15:10 C 18 47 16.41 +11 44 48.2 q 160
2017-07-19 21:14:10 C 18 43 23.23 +11 59 17.5 q 160
2017-07-19 21:15:52 C 18 43 22.94 +11 59 18.8 q 160
2017-07-19 21:17:32 C 18 43 22.66 +11 59 19.9 q 160
2017-07-22 10:13:48 C 18 33 20.55 +12 32 31.2 L T08
2017-07-22 10:15:12 C 18 33 20.28 +12 32 31.5 L T08
2017-07-22 10:24:36 C 18 33 18.68 +12 32 35.3 L T08
2017-07-22 10:25:19 C 18 33 18.57 +12 32 35.8 L T08
2017-07-22 14:42:48 C 18 32 38.09 +12 34 31.3 q D29
2017-07-22 15:04:26 C 18 32 34.46 +12 34 41.4 q D29
2017-07-22 15:26:04 C 18 32 30.88 +12 34 51.0 q D29
2017-07-22 21:25:29 C 18 31 34.15 +12 37 31.6 q 160
2017-07-22 21:27:25 C 18 31 33.82 +12 37 32.4 q 160
2017-07-22 21:29:20 C 18 31 33.50 +12 37 33.2 q 160
2017-07-27 01:34:50 C 18 16 28.97 +13 13 10.4 q W34
2017-07-27 01:56:09 C 18 16 25.76 +13 13 15.0 q W34
2017-07-27 02:08:04 C 18 16 24.02 +13 13 17.9 q W34
2017-07-28 09:56:35 C 18 11 57.03 +13 20 47.3 L T05
2017-07-28 09:57:17 C 18 11 56.96 +13 20 46.9 L T05
2017-07-28 10:08:23 C 18 11 55.40 +13 20 49.0 L T05
2017-07-28 10:28:46 C 18 11 52.45 +13 20 52.8 L T05
2017-07-31 20:52:09 C 18 01 19.43 +13 32 00.9 d B66
2017-07-31 21:57:56 C 18 01 11.18 +13 32 04.6 q 203