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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0845806086929607 5.7589e-08  
a 2.269066827208618 1.6038e-08 AU
q 2.077147773798308 1.3032e-07 AU
i 5.107536956692039 6.7701e-06 deg
node 156.5331424891864 7.3546e-05 deg
peri 293.019729867878 8.7897e-05 deg
M 232.2259802824115 4.8683e-05 deg
tp 2457243.607819243793
(2015-Aug-09.10781924)
0.00017025 JED
period 1248.444834719456
3.42
1.3236e-05
3.624e-08
d
yr
n .2883587564210615 3.0573e-09 deg/d
Q 2.460985880618928 1.7395e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      8697 days (23.81 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5342  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:18:51  

Additional Information
 Earth MOID = 1.09931 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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