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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0188240546658341 1.3098e-08  
a 2.855323988711335 1.1269e-08 au
q 2.801575213859166 3.5908e-08 au
i 3.075234510140887 1.9962e-07 deg
node 67.00439026487278 9.4651e-06 deg
peri 190.3543835965405 6.0039e-05 deg
M 96.02617263717516 5.8354e-05 deg
tp 2458730.423396176235
(2019-Sep-03.92339618)
0.00028585 TDB
period 1762.306803749891
4.82
1.0433e-05
2.856e-08
d
yr
n .2042777110285115 1.2093e-09 deg/d
Q 2.909072763563505 1.1481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2877  
   data-arc span      14935 days (40.89 yr)  
   first obs. used      1980-03-15  
   last obs. used      2021-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44318  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:23:59  

Additional Information
 Earth MOID = 1.78469 au 
 Jupiter MOID = 2.07181 au 
 T_jup = 3.301 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.93   n/a MPCxxxxx  
diameter diameter 6.752 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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