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8105 (1994 WH2)
Classification: Main-belt Asteroid          SPK-ID: 2008105
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08457473651201958 5.0163e-08  
a 2.268775403302492 1.4159e-08 AU
q 2.076894321363233 1.1703e-07 AU
i 5.107885517179655 6.7221e-06 deg
node 156.533357932957 6.1107e-05 deg
peri 293.1079685438843 7.6979e-05 deg
M 289.8101955979972 4.8614e-05 deg
tp 2457243.864493720177
(2015-Aug-09.36449372)
0.00016948 JED
period 1248.204329470448
3.42
1.1685e-05
3.199e-08
d
yr
n .2884143176724361 2.6999e-09 deg/d
Q 2.460656485241751 1.5357e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      8752 days (23.96 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52897  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:53:03  

Additional Information
 Earth MOID = 1.0994 AU 
 T_jup = 3.604 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO263421  

8105 (1994 WH2)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 WH2 = 1987 UR2 = 1990 RC10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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