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295903 (2008 WO90)
Classification: Main-belt Asteroid          SPK-ID: 2295903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226116764244957 6.3206e-08  
a 3.170070341698839 5.2171e-08 au
q 2.781382702719571 2.1151e-07 au
i 6.681676670082953 6.8609e-06 deg
node 98.09550840654038 6.6531e-05 deg
peri 19.82645314917342 7.8293e-05 deg
M 9.709154287790049 4.263e-05 deg
tp 2458944.899246504304
(2020-Apr-05.39924650)
0.00024331 TDB
period 2061.587514745987
5.64
5.0893e-05
1.393e-07
d
yr
n .1746227106174323 4.3108e-09 deg/d
Q 3.558757980678108 5.8568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      9777 days (26.77 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:19  

Additional Information
 Earth MOID = 1.79879 au 
 Jupiter MOID = 1.54542 au 
 T_jup = 3.180 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO418565  

295903 (2008 WO90)          Discovered 2008-Nov-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 WO90 = 2004 ER115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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