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10903 (1997 WA30)
Classification: Main-belt Asteroid          SPK-ID: 2010903
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607958326363009 6.6791e-08  
a 2.63408718932016 1.9815e-08 AU
q 2.210536946476811 1.8081e-07 AU
i 11.7548157125738 8.8949e-06 deg
node 234.9908805658348 3.2745e-05 deg
peri 245.9493580267037 4.4549e-05 deg
M 311.1593607426947 3.026e-05 deg
tp 2457212.347081335850
(2015-Jul-08.84708134)
0.0001317 JED
period 1561.505959803729
4.28
1.762e-05
4.824e-08
d
yr
n .2305466705008604 2.6015e-09 deg/d
Q 3.057637432163509 2.3002e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      13969 days (38.25 yr)  
   first obs. used      1976-10-24  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55869  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:30:31  

Additional Information
 Earth MOID = 1.25609 AU 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO319222  

Alternate Designations
 1997 WA30 = 1976 UJ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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