Discovery[1][2] | |
---|---|
Discovered by | CSS |
Discovery site | Catalina Stn. |
Discovery date | 17 November 2009 |
Designations | |
(529366) 2009 WM1 | |
2009 WM1 | |
Orbital characteristics[3] | |
Epoch 27 April 2019 (JD 2458600.5) | |
Uncertainty parameter 0 | |
Observation arc | 8.99 yr (3,283 d) |
Aphelion | 1.3798 AU |
Perihelion | 0.9810 AU |
1.1804 AU | |
Eccentricity | 0.1689 |
1.28 yr (468 d) | |
144.70° | |
0° 46m 6.6s / day | |
Inclination | 25.768° |
240.27° | |
162.62° | |
Earth MOID | 0.0001 AU (0.039 LD) |
Physical characteristics | |
280 m (est.)[4] | |
Mass | 2.9×1010 kg[4] |
20.4[1][3] | |
(529366) 2009 WM1, provisional designation 2009 WM1, is a sub-kilometer asteroid and near-Earth object of the Apollo group, approximately 280 meters (920 feet) in diameter.[4] After its discovery by the Catalina Sky Survey at the Catalina Station in Arizona, United States, this potentially hazardous asteroid was briefly listed at a Torino Scale of 1 and a cumulative Palermo Scale of −0.87.[4] It was removed from the Sentry Risk Table on 26 June 2013.[5]
MPC-object
was invoked but never defined (see the help page).MPEC2009-W30
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was invoked but never defined (see the help page).summary
was invoked but never defined (see the help page).removed
was invoked but never defined (see the help page).