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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208704189048754 5.8586e-08  
a 3.195978177295318 3.2436e-08 AU
q 2.490081138465261 1.9377e-07 AU
i 14.171217707098 6.9727e-06 deg
node 143.4724155434658 2.2397e-05 deg
peri 63.32048971202406 2.7487e-05 deg
M 340.9821648394596 1.5329e-05 deg
tp 2456910.745967395452
(2014-Sep-10.24596740)
8.8843e-05 JED
period 2086.911992207786
5.71
3.177e-05
8.698e-08
d
yr
n .172503680722611 2.6261e-09 deg/d
Q 3.901875216125374 3.96e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      22759 days (62.31 yr)  
   first obs. used      1952-02-28  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49757  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:21:14  

Additional Information
 Earth MOID = 1.52604 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 (905)
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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