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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08457474459260868 4.9215e-08  
a 2.268775405525798 1.3921e-08 AU
q 2.076894305065461 1.1537e-07 AU
i 5.107885374817522 6.72e-06 deg
node 156.5333752399843 5.8531e-05 deg
peri 293.1079487504794 7.4962e-05 deg
M 289.8101965208197 4.8592e-05 deg
tp 2457243.864490878266
(2015-Aug-09.36449088)
0.00016942 JED
period 1248.204331305231
3.42
1.1488e-05
3.145e-08
d
yr
n .288414317248485 2.6546e-09 deg/d
Q 2.460656505986134 1.5099e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      8785 days (24.05 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51981  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:11:57  

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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