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JPL Small-Body Database Browser
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437394 (2013 WE57)
Classification: Main-belt Asteroid          SPK-ID: 2437394
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 .1786664331977166 1.8277e-07  
a 2.147389915969703 4.9402e-08 au
q 1.763723418998652 4.3143e-07 au
i 3.902085390505648 5.2459e-06 deg
node 122.4160574170564 8.2757e-05 deg
peri 250.0657168569762 8.4753e-05 deg
M 292.8702273337405 1.8789e-05 deg
tp 2458814.827286993386
(2019-Nov-27.32728699)
6.4834e-05 TDB
period 1149.383056921924
3.15
3.9664e-05
1.086e-07
d
yr
n .3132115075404791 1.0808e-08 deg/d
Q 2.531056412940754 5.8229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      4258 days (11.66 yr)  
   first obs. used      2007-12-30  
   last obs. used      2019-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:35  

Additional Information
 Earth MOID = .767559 au 
 Jupiter MOID = 2.93257 au 
 T_jup = 3.684 
[ 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 18.0   n/a MPO440809  

437394 (2013 WE57)          Discovered 2007-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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