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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211119043738831 5.8258e-08  
a 3.19730516547885 3.2184e-08 au
q 2.490342931475368 1.9258e-07 au
i 14.17127330138015 6.9489e-06 deg
node 143.4703390665128 2.2302e-05 deg
peri 63.41656715331057 2.7395e-05 deg
M 84.36770878072755 1.5266e-05 deg
tp 2456911.117635493421
(2014-Sep-10.61763549)
8.8381e-05 JED
period 2088.211873576603
5.72
3.153e-05
8.632e-08
d
yr
n .1723962997027725 2.603e-09 deg/d
Q 3.904267399482332 3.93e-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 = 1.52572 au 
 Jupiter MOID = 1.28843 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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