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JPL Small-Body Database Browser
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65655 (1981 EV47)
Classification: Main-belt Asteroid          SPK-ID: 2065655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779846701364904 3.6819e-08  
a 2.672840921708166 1.7282e-08 au
q 2.197116211930625 9.6368e-08 au
i 12.34718198192246 7.0811e-06 deg
node 177.939359771718 2.0589e-05 deg
peri 97.21025349544459 2.9656e-05 deg
M 277.5714411240788 2.1609e-05 deg
tp 2459365.954488991108
(2021-May-31.45448899)
9.7268e-05 TDB
period 1596.092638655011
4.37
1.548e-05
4.238e-08
d
yr
n .2255508178418537 2.1876e-09 deg/d
Q 3.148565631485706 2.0358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      14232 days (38.97 yr)  
   first obs. used      1981-02-12  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:36  

Additional Information
 Earth MOID = 1.22272 au 
 Jupiter MOID = 2.10963 au 
 T_jup = 3.325 
[ 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 15.4   n/a MPO381716  

65655 (1981 EV47)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EV47 = 2003 FF93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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