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
2017-07-31 22:16:58 C 18 01 08.77 +13 32 06.5 d B66
2017-07-31 23:07:28 C 18 01 02.46 +13 32 09.1 q 203
2017-08-01 09:24:46 C 17 59 49.15 +13 33 00.5 L T05
2017-08-01 09:25:28 C 17 59 49.06 +13 33 00.9 L T05
2017-08-01 09:35:47 C 17 59 47.74 +13 33 01.9 L T05
2017-08-01 09:56:00 C 17 59 45.21 +13 33 01.9 L T05
2017-08-09 03:20:56 C 17 41 13.85 +13 23 04.8 u H21
2017-08-09 03:23:26 C 17 41 13.63 +13 23 04.5 u H21
2017-08-09 03:25:57 C 17 41 13.41 +13 23 03.8 u H21
2017-08-09 03:28:27 C 17 41 13.18 +13 23 03.8 u H21
2017-08-09 03:30:57 C 17 41 12.96 +13 23 03.1 u H21
2017-08-09 03:33:28 C 17 41 12.72 +13 23 03.0 u H21
2017-08-09 03:35:58 C 17 41 12.53 +13 23 02.2 u H21
2017-08-09 03:38:28 C 17 41 12.30 +13 23 02.1 u H21
2017-08-09 03:41:43 C 17 41 12.00 +13 23 02.0 u H21
2017-08-09 13:57:15 C 17 40 21.74 +13 21 33.9 q D29
2017-08-09 14:14:57 C 17 40 20.10 +13 21 28.8 q D29
2017-08-16 07:50:47 C 17 29 31.14 +12 47 35.2 L T08
2017-08-16 08:02:34 C 17 29 30.49 +12 47 31.4 L T08
2017-08-16 08:17:57 C 17 29 29.55 +12 47 28.8 L T08
2017-08-16 08:18:42 C 17 29 29.52 +12 47 26.6 L T08
2017-08-20 07:39:35 C 17 25 02.47 +12 21 01.3 L T08
2017-08-20 07:50:42 C 17 25 01.97 +12 20 57.8 L T08
2017-08-20 08:02:30 C 17 25 01.40 +12 20 53.9 L T08
2017-08-20 08:16:24 C 17 25 00.84 +12 20 50.0 L T08
2017-09-02 03:02:29 C 17 18 27.87 +10 41 21.7 q G96
2017-09-02 03:54:06 C 17 18 27.32 +10 41 03.8 q G96
2017-09-02 04:00:13 C 17 18 27.26 +10 41 01.5 q G96
2017-09-02 04:06:17 C 17 18 27.18 +10 41 00.0 q G96
2017-09-06 07:11:51 C 17 18 16.695 +10 07 34.90 L F51
2017-09-06 07:28:05 C 17 18 16.654 +10 07 29.27 L F51
2017-09-06 07:44:18 C 17 18 16.614 +10 07 23.62 L F51
2017-09-06 08:00:32 C 17 18 16.576 +10 07 18.02 L F51
2017-09-26 05:20:53 C 17 24 49.23 +07 30 24.6 L T05
2017-09-26 05:21:32 C 17 24 49.31 +07 30 24.5 L T05
2017-09-26 05:23:36 C 17 24 49.38 +07 30 23.9 L T05
2017-09-26 05:24:55 C 17 24 49.36 +07 30 23.2 L T05
2017-09-26 05:28:15 C 17 24 49.42 +07 30 21.6 L T05
2017-09-26 05:30:21 C 17 24 49.48 +07 30 21.3 L T05
2017-09-26 05:35:51 C 17 24 49.55 +07 30 20.2 L T05
2017-09-26 05:38:34 C 17 24 49.59 +07 30 18.7 L T05
2018-06-12 09:44:45 C 22 50 27.10 +06 51 39.6 U G96
2018-06-12 09:59:49 C 22 50 28.18 +06 51 59.9 U G96
2018-06-12 10:07:22 C 22 50 28.68 +06 52 10.6 U G96
2018-07-07 09:14:26 C 23 33 47.51 +22 56 00.2 U G96
2018-07-07 09:21:22 C 23 33 47.99 +22 56 13.7 U G96
2018-07-07 09:28:20 C 23 33 48.55 +22 56 26.7 U G96
2018-07-07 09:35:18 C 23 33 49.04 +22 56 40.2 U G96
2018-08-18 14:02:21 C 02 23 58.66 +65 42 16.3 U T05
2018-08-18 14:27:36 C 02 24 10.79 +65 43 21.2 U T05