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JPL Small-Body Database Browser
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32761 (1981 ED31)
Classification: Main-belt Asteroid          SPK-ID: 2032761
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145449054304271 3.5492e-08  
a 2.346323354285574 9.5992e-09 au
q 2.077563967559731 8.5536e-08 au
i 3.151249852689807 3.9333e-06 deg
node 157.0280992471743 6.8759e-05 deg
peri 265.3760694616114 7.0969e-05 deg
M 320.738839942402 1.8062e-05 deg
tp 2458743.666315721195
(2019-Sep-17.16631572)
6.6129e-05 TDB
period 1312.744544074056
3.59
8.056e-06
2.206e-08
d
yr
n .2742346190849538 1.6829e-09 deg/d
Q 2.615082741011418 1.0699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1072  
   data-arc span      13701 days (37.51 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52218  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:33:25  

Additional Information
 Earth MOID = 1.09299 au 
 Jupiter MOID = 2.65405 au 
 T_jup = 3.550 
[ 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 15.3   n/a MPO452630  

32761 (1981 ED31)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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