2009 WM8

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4415381061
Semi-major axis (a)1.8116561701 AU
Inclination (i)14.00927061°
Long. of Asc. Node (Ω)237.12078898°
Arg. of Perihelion (ω)181.76107835° ± 4.59e-04
Mean Anomaly (M)202.98019505°
Mean Motion (n)0.4041851400°/day
Perihelion dist (q)1.01174010 AU
Aphelion dist (Q)2.61162830 AU
Orbital Period2.43850550 yr
Physical Parameters
H (abs. magnitude)24.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.339″
Uncertainty
Orbit TypeAmor
MOID0.022556 AU
Observations Used19
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-11-21
Observations (22)
Date Type RA Dec Mag Band Observatory
2009-11-17 11:04:22 C 07 53 46.28 +19 18 51.8 r G96
2009-11-17 11:11:53 C 07 53 47.32 +19 16 56.1 r G96
2009-11-17 11:19:39 C 07 53 48.44 +19 14 56.1 r G96
2009-11-17 12:05:26 C 07 53 54.13 +19 03 05.9 o H01
2009-11-17 12:11:21 C 07 53 54.96 +19 01 34.7 o H01
2009-11-17 12:16:31 C 07 53 55.69 +19 00 15.0 o H01
2009-11-17 12:22:06 C 07 53 56.46 +18 58 49.4 o H01
2009-11-17 12:33:13 C 07 53 58.66 +18 56 00.8 r G96
2009-11-17 12:34:01 C 07 53 58.74 +18 55 51.3 r G96
2009-11-17 12:34:51 C 07 53 58.84 +18 55 36.8 r G96
2009-11-17 12:35:42 C 07 53 58.88 +18 55 23.0 r G96
2009-11-18 11:47:29 C 07 57 58.32 +13 14 21.2 r G96
2009-11-18 11:57:03 C 07 57 59.40 +13 12 06.2 r G96
2009-11-18 12:06:40 C 07 58 00.51 +13 09 50.6 r G96
2009-11-19 12:34:37 C 08 01 30.38 +07 44 23.7 r G96
2009-11-19 12:35:34 C 08 01 30.46 +07 44 11.8 r G96
2009-11-20 11:09:17 C 08 04 19.77 +03 15 20.2 r G96
2009-11-20 11:17:45 C 08 04 20.42 +03 13 45.3 r G96
2009-11-20 11:21:58 C 08 04 20.74 +03 12 57.2 r G96
2009-11-21 08:15:03 C 08 06 36.87 -00 30 20.7 o H21
2009-11-21 08:30:11 C 08 06 37.94 -00 32 52.4 o H21
2009-11-21 08:32:53 C 08 06 38.14 -00 33 19.7 o H21