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JPL Small-Body Database Browser
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437393 (2013 WA57)
Classification: Inner Main-belt Asteroid          SPK-ID: 2437393
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02932265090071147 7.1306e-08  
a 1.905886944767133 2.0377e-08 au
q 1.850001287229502 1.3512e-07 au
i 22.18743458156716 8.7108e-06 deg
node 63.39469086306832 1.9647e-05 deg
peri 93.13467315832982 0.00014917 deg
M 286.6319026040815 0.00014524 deg
tp 2458796.361414133508
(2019-Nov-08.86141413)
0.00038729 TDB
period 961.0458985676984
2.63
1.5413e-05
4.22e-08
d
yr
n .3745918904981839 6.0076e-09 deg/d
Q 1.961772602304763 2.0975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      4722 days (12.93 yr)  
   first obs. used      2004-04-25  
   last obs. used      2017-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73581  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:17:37  

Additional Information
 Earth MOID = .885106 au 
 Jupiter MOID = 3.07901 au 
 T_jup = 3.850 
[ 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 17.8   n/a MPO397544  

437393 (2013 WA57)          Discovered 2012-Mar-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 WA57 = 2012 HT82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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