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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08477780089360645 4.5769e-08  
a 2.269169337344818 1.2598e-08 au
q 2.076794151069522 1.0723e-07 au
i 5.10803345164992 6.5712e-06 deg
node 156.5324979622777 5.2584e-05 deg
peri 293.2613539474498 6.9322e-05 deg
M 45.03381387474668 4.6576e-05 deg
tp 2457244.316549141397
(2015-Aug-09.81654914)
0.00016105 JED
period 1248.52943757949
3.42
1.0398e-05
2.847e-08
d
yr
n .2883392166530954 2.4013e-09 deg/d
Q 2.461544523620114 1.3666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      9226 days (25.26 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53696  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:06:18  

Additional Information
 Earth MOID = 1.09914 au 
 Jupiter MOID = 2.66991 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 13.9 mag n/a MPO347591  

8105 (1994 WH2)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
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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