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392245 (2009 WU87)
Classification: Main-belt Asteroid          SPK-ID: 2392245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934314599107469 7.0025e-08  
a 2.188258290205837 2.3105e-08 au
q 1.764980294469527 1.6295e-07 au
i 3.809849806347637 5.3429e-06 deg
node 19.48811178733392 8.7995e-05 deg
peri 319.5670089685673 9.0805e-05 deg
M 154.453695606609 2.6089e-05 deg
tp 2458493.226583435350
(2019-Jan-09.72658344)
7.9065e-05 TDB
period 1182.35066662568
3.24
1.8726e-05
5.127e-08
d
yr
n .3044781976800562 4.8223e-09 deg/d
Q 2.611536285942147 2.7574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      4782 days (13.09 yr)  
   first obs. used      2006-12-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58245  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:43:17  

Additional Information
 Earth MOID = .758471 au 
 Jupiter MOID = 2.77681 au 
 T_jup = 3.648 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO346068  

392245 (2009 WU87)          Discovered 2006-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WU87 = 2006 YA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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