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201769 (2003 WE71)
Classification: Main-belt Asteroid          SPK-ID: 2201769
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 .1110492489495488 9.4345e-08  
a 2.591941092257198 2.3587e-08 au
q 2.304107980640564 2.5837e-07 au
i 13.14159963274435 7.5549e-06 deg
node 323.522485585108 1.5142e-05 deg
peri 14.76799380178826 2.9468e-05 deg
M 50.93754673084354 2.2569e-05 deg
tp 2458784.838986876270
(2019-Oct-28.33898688)
9.4962e-05 TDB
period 1524.179504262061
4.17
2.0806e-05
5.696e-08
d
yr
n .2361926525014491 3.2241e-09 deg/d
Q 2.879774203873833 2.6207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      7601 days (20.81 yr)  
   first obs. used      1999-12-31  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:49  

Additional Information
 Earth MOID = 1.29618 au 
 Jupiter MOID = 2.47988 au 
 T_jup = 3.374 
[ 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 15.5   n/a MPO440089  

201769 (2003 WE71)          Discovered 2003-Nov-20 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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