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226565 (2003 WR71)
Classification: Main-belt Asteroid          SPK-ID: 2226565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06806753730642115 5.6435e-08  
a 3.079910459340665 3.2836e-08 au
q 2.870268539249057 1.8407e-07 au
i 9.43724653983063 5.5322e-06 deg
node 280.6186374107875 3.6012e-05 deg
peri 129.5277821261878 5.7683e-05 deg
M 31.00563086547258 4.3886e-05 deg
tp 2458830.462921552460
(2019-Dec-12.96292155)
0.00024043 TDB
period 1974.265529597096
5.41
3.1573e-05
8.644e-08
d
yr
n .1823462926354532 2.9161e-09 deg/d
Q 3.289552379432272 3.5071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      6396 days (17.51 yr)  
   first obs. used      2002-07-21  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:55:06  

Additional Information
 Earth MOID = 1.89303 au 
 Jupiter MOID = 1.99151 au 
 T_jup = 3.204 
[ 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 15.4   n/a MPO503110  

226565 (2003 WR71)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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