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9219 (1995 WO8)
Classification: Outer 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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215409689059437 6.4279e-08  
a 3.201674129510301 4.5406e-08 AU
q 2.492372140737495 2.0044e-07 AU
i 14.15229022000663 7.3573e-06 deg
node 143.5208134242978 3.0148e-05 deg
peri 62.8877022077023 3.5527e-05 deg
M 272.4730639486087 2.3032e-05 deg
tp 2456909.248734802814
(2014-Sep-08.74873480)		 0.00013958 JED
period 2092.493497332948
5.73		 4.4514e-05
1.219e-07		 d
yr
n .1720435453963652 3.6599e-09 deg/d
Q 3.910976118283108 5.5466e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      22329 days (61.13 yr)  
   first obs. used      1952-02-17  
   last obs. used      2013-04-06  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .536  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:34:43  

Additional Information
 Earth MOID = 1.52777 AU 
 T_jup = 3.109 
[ 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 11.4 mag n/a PDS3 (MPC 32428)  

9219 (1995 WO8)          Discovered 1995-Nov-18 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

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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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