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JPL Small-Body Database Browser
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295902 (2008 WB87)
Classification: Main-belt Asteroid          SPK-ID: 2295902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06632133533227472 5.8358e-08  
a 2.359980663162168 2.3227e-08 au
q 2.203463594222905 1.2845e-07 au
i 7.645316829256108 5.8272e-06 deg
node 64.94541543928565 3.7045e-05 deg
peri 165.5355852152915 5.5559e-05 deg
M 132.4020838803354 4.036e-05 deg
tp 2458113.472579517428
(2017-Dec-25.97257952)
0.00014732 TDB
period 1324.222899181771
3.63
1.9549e-05
5.352e-08
d
yr
n .2718575552668978 4.0134e-09 deg/d
Q 2.51649773210143 2.4767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6077 days (16.64 yr)  
   first obs. used      2001-12-18  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61874  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:35:45  

Additional Information
 Earth MOID = 1.193 au 
 Jupiter MOID = 2.46722 au 
 T_jup = 3.537 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO455187  

295902 (2008 WB87)          Discovered 2008-Nov-21 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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