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JPL Small-Body Database Browser
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39502 (1981 EE36)
Classification: Main-belt Asteroid          SPK-ID: 2039502
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06086072998694488 4.7492e-08  
a 2.993280053846803 2.4432e-08 au
q 2.811106844714324 1.5394e-07 au
i 9.340759727406496 8.4346e-06 deg
node 325.8101874899951 2.6397e-05 deg
peri 83.66271202254529 7.5698e-05 deg
M 335.0235922628032 7.1499e-05 deg
tp 2459131.734170114587
(2020-Oct-09.23417011)
0.00037617 TDB
period 1891.557094132933
5.18
2.3159e-05
6.341e-08
d
yr
n .1903193940677851 2.3301e-09 deg/d
Q 3.17545326297928 2.5918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      14195 days (38.86 yr)  
   first obs. used      1981-03-06  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:28:08  

Additional Information
 Earth MOID = 1.84027 au 
 Jupiter MOID = 2.06431 au 
 T_jup = 3.232 
[ 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 14.4   n/a MPO452717  

39502 (1981 EE36)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EE36 = 1996 DQ6 = 1999 VA48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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