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
2016-05-24 10:08:05 C 13 21 25.60 -51 14 39.7 q Q62
2016-05-24 10:11:43 C 13 21 26.25 -51 14 17.6 q Q62
2016-05-25 10:05:21 C 13 26 00.30 -48 45 25.5 q Q62
2016-05-25 10:09:01 C 13 26 00.86 -48 45 03.4 q Q62
2016-05-25 10:22:16 C 13 26 02.90 -48 43 43.1 q Q62
2016-05-25 10:24:05 C 13 26 03.18 -48 43 31.7 q Q62
2016-05-25 22:05:51 C 13 28 07.41 -47 32 58.1 r Y00
2016-05-25 22:07:20 C 13 28 07.57 -47 32 48.2 r Y00
2016-05-25 22:08:48 C 13 28 07.75 -47 32 39.0 r Y00
2016-05-29 11:43:22 C 13 40 11.06 -39 41 14.9 q Q62
2016-05-29 11:49:43 C 13 40 11.70 -39 40 42.8 q Q62
2016-05-29 11:50:34 C 13 40 11.77 -39 40 38.8 q Q62
2016-05-29 11:52:14 C 13 40 11.94 -39 40 30.3 q Q62
2016-05-29 11:53:05 C 13 40 12.02 -39 40 25.9 q Q62
2016-06-06 06:28:16 C 13 57 45.001 -27 02 29.50 L F51
2016-06-06 06:42:12 C 13 57 45.892 -27 01 45.30 L F51
2016-06-06 06:56:07 C 13 57 46.756 -27 01 01.03 L F51
2016-06-06 07:10:03 C 13 57 47.624 -27 00 16.69 L F51
2016-06-08 00:09:40 C 14 00 52.69 -24 55 13.7 q W88
2016-06-08 00:10:41 C 14 00 52.76 -24 55 10.7 q W88
2016-06-08 00:11:43 C 14 00 52.82 -24 55 07.7 q W88
2016-06-09 21:41:39 C 14 04 07.30 -22 51 40.1 q Y00
2016-06-09 22:07:07 C 14 04 08.85 -22 50 35.6 q Y00
2016-06-09 22:21:43 C 14 04 09.70 -22 49 59.1 q Y00
2016-06-29 06:46:50 C 14 32 59.245 -11 12 36.25 L F51
2016-06-29 07:04:41 C 14 33 00.188 -11 12 22.13 L F51
2016-06-29 07:22:24 C 14 33 01.122 -11 12 08.09 L F51
2016-06-29 07:40:06 C 14 33 02.062 -11 11 54.08 L F51
2016-07-06 04:11:36 C 14 42 59.53 -09 26 52.8 q 703
2016-07-06 04:33:16 C 14 43 00.81 -09 26 43.0 q 703
2016-07-18 06:38:16 C 15 01 21.044 -07 48 20.36 L F51
2016-07-18 06:55:10 C 15 01 22.059 -07 48 16.82 L F51
2016-07-18 07:12:05 C 15 01 23.081 -07 48 13.43 L F51
2016-07-18 07:28:57 C 15 01 24.097 -07 48 09.96 L F51
2016-07-25 12:28:16 C 15 12 52.35 -07 23 22.9 q D29
2016-07-25 12:48:39 C 15 12 53.59 -07 23 21.0 q D29
2016-07-25 13:09:01 C 15 12 54.86 -07 23 19.4 q D29
2017-05-09 14:02:29 C 21 02 34.125 -20 14 16.28 L F51
2017-05-09 14:13:58 C 21 02 34.389 -20 14 06.32 L F51
2017-05-09 14:25:28 C 21 02 34.656 -20 13 56.14 L F51
2017-05-09 14:37:01 C 21 02 34.920 -20 13 46.09 L F51
2017-05-21 10:30:57 C 21 07 09.75 -15 47 48.6 q G96
2017-05-21 10:36:17 C 21 07 09.74 -15 47 43.3 q G96
2017-05-21 10:41:35 C 21 07 09.71 -15 47 37.5 q G96
2017-05-21 10:46:52 C 21 07 09.69 -15 47 32.1 q G96
2017-06-02 08:43:58 C 21 03 26.44 -10 44 40.2 q 703
2017-06-02 08:51:45 C 21 03 26.21 -10 44 31.4 q 703
2017-06-02 08:59:32 C 21 03 25.92 -10 44 21.3 q 703
2017-06-02 09:07:18 C 21 03 25.66 -10 44 13.1 q 703
2017-06-08 08:33:46 C 20 57 24.79 -07 55 30.2 u H21