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9219 (1995 WO8)
Classification: Main-belt Asteroid          SPK-ID: 2009219
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211456985538063 5.766e-08  
a 3.197769480155086 3.1998e-08 au
q 2.490596514652147 1.9042e-07 au
i 14.17025189019462 6.8798e-06 deg
node 143.4697509042067 2.222e-05 deg
peri 63.45861945905924 2.7216e-05 deg
M 118.7891465137262 1.5172e-05 deg
tp 2456911.302937125991
(2014-Sep-10.80293713)
8.7592e-05 JED
period 2088.666767262057
5.72
3.135e-05
8.583e-08
d
yr
n .1723587532691529 2.5871e-09 deg/d
Q 3.904942445658024 3.9075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1209  
   data-arc span      23117 days (63.29 yr)  
   first obs. used      1952-02-28  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49435  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:33:29  

Additional Information
 Earth MOID = 1.52578 au 
 Jupiter MOID = 1.28817 au 
 T_jup = 3.110 
[ 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 11.9 mag n/a MPO259407  

9219 (1995 WO8)          Discovered 1995-Nov-18 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WO8 = 1952 DZ = 1969 EO1 = 1980 EJ = A907 ED 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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