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JPL Small-Body Database Browser
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39493 (1981 EV10)
Classification: Main-belt Asteroid          SPK-ID: 2039493
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07293967688737875 4.7114e-08  
a 2.280097840246937 1.083e-08 au
q 2.113788240507715 1.0632e-07 au
i 4.741793347117514 6.3127e-06 deg
node 237.0851946994283 6.0994e-05 deg
peri 204.5747948249026 7.6305e-05 deg
M 112.8774088621008 4.4747e-05 deg
tp 2458206.194184489783
(2018-Mar-28.69418449)
0.00015631 TDB
period 1257.559816571396
3.44
8.9596e-06
2.453e-08
d
yr
n .2862686889769601 2.0395e-09 deg/d
Q 2.446407439986158 1.162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      14478 days (39.64 yr)  
   first obs. used      1979-09-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:09:23  

Additional Information
 Earth MOID = 1.13028 au 
 Jupiter MOID = 2.70636 au 
 T_jup = 3.598 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO250590  

39493 (1981 EV10)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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