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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01731501013564071 5.4461e-08  
a 2.855851730908312 2.6316e-08 AU
q 2.806402629241748 1.6443e-07 AU
i 3.079332995605069 6.0683e-06 deg
node 67.06843664852317 0.0001199 deg
peri 199.0556248161043 0.00025569 deg
M 317.4640153872689 0.00022736 deg
tp 2457008.783995686687
(2014-Dec-17.28399569)
0.0011137 JED
period 1762.795410283392
4.83
2.4366e-05
6.671e-08
d
yr
n .2042210899233765 2.8228e-09 deg/d
Q 2.905300832574877 2.6772e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1184  
   data-arc span      12443 days (34.07 yr)  
   first obs. used      1980-03-15  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52725  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:54:04  

Additional Information
 Earth MOID = 1.79039 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 12.7 mag n/a MPO263422  

8185 (1992 WR2)          Discovered 1992-Nov-18 by Ueda, S., Kaneda, H. at Kushiro (399)
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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