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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .220893669800853 5.8467e-08  
a 3.196053555718956 3.2185e-08 AU
q 2.490065556916131 1.9324e-07 AU
i 14.17119785308164 6.9549e-06 deg
node 143.4716677981357 2.2315e-05 deg
peri 63.34760106839825 2.7415e-05 deg
M 15.46572053398874 1.5262e-05 deg
tp 2456910.842390259533
(2014-Sep-10.34239026)
8.8487e-05 JED
period 2086.985823624206
5.71
3.1525e-05
8.631e-08
d
yr
n .1724975780500671 2.6056e-09 deg/d
Q 3.902041554521781 3.9295e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      22994 days (62.95 yr)  
   first obs. used      1952-02-28  
   last obs. used      2015-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49869  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:17:27  

Additional Information
 Earth MOID = 1.52693 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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