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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01747162840323665 5.0996e-08  
a 2.856369285072093 2.4002e-08 AU
q 2.806463862340895 1.5501e-07 AU
i 3.079092210923453 5.7284e-06 deg
node 67.06873791411255 9.9873e-05 deg
peri 198.7680584253698 0.00020994 deg
M 358.5874716340708 0.00018411 deg
tp 2457007.418542858825
(2014-Dec-15.91854286)
0.00090177 JED
period 1763.274628144226
4.83
2.2225e-05
6.085e-08
d
yr
n .2041655872851101 2.5734e-09 deg/d
Q 2.906274707803291 2.4421e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      12596 days (34.49 yr)  
   first obs. used      1980-03-15  
   last obs. used      2014-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48599  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:12:29  

Additional Information
 Earth MOID = 1.79228 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 12.8 mag n/a MPO302116  

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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