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8185 (1992 WR2)
Classification: Main-belt Asteroid          SPK-ID: 2008185
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0178417350257755 3.9153e-08  
a 2.856686238563019 2.0947e-08 au
q 2.805717999642799 1.1431e-07 au
i 3.078913531534755 4.605e-06 deg
node 67.05683217383125 9.2004e-05 deg
peri 198.499554953582 0.0001911 deg
M 121.3127536461916 0.00016533 deg
tp 2457006.213040088525
(2014-Dec-14.71304009)
0.00081232 JED
period 1763.568125673713
4.83
1.9397e-05
5.311e-08
d
yr
n .2041316095245677 2.2452e-09 deg/d
Q 2.90765447748324 2.1321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1457  
   data-arc span      13052 days (35.73 yr)  
   first obs. used      1980-03-15  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49166  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:06:37  

Additional Information
 Earth MOID = 1.78988 au 
 Jupiter MOID = 2.07972 au 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO350868  

8185 (1992 WR2)          Discovered 1992-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1992 WR2 = 1980 EV1 = 1984 BS7 = 1995 MH 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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