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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208936702454726 5.8272e-08  
a 3.196053555544704 3.2134e-08 AU
q 2.490065555359342 1.9253e-07 AU
i 14.17119793977906 6.9489e-06 deg
node 143.471667990643 2.2305e-05 deg
peri 63.34760088721873 2.7408e-05 deg
M 15.46572058125737 1.5248e-05 deg
tp 2456910.842389992840
(2014-Sep-10.34238999)
8.8408e-05 JED
period 2086.985823453529
5.71
3.1475e-05
8.617e-08
d
yr
n .1724975780641742 2.6015e-09 deg/d
Q 3.902041555730066 3.9232e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1200  
   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      .49563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:01:36  

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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