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JPL Small-Body Database Browser
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66332 (1999 JE60)
Classification: Main-belt Asteroid          SPK-ID: 2066332
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09620535478795172 5.19e-08  
a 2.284514070657027 1.0022e-08 au
q 2.0647315839714 1.2104e-07 au
i 6.283765704096234 4.2045e-06 deg
node 63.60188732680531 3.9549e-05 deg
peri 144.9658134222051 4.4365e-05 deg
M 60.55572133051054 2.1542e-05 deg
tp 2458788.350572674055
(2019-Oct-31.85057267)
7.5213e-05 TDB
period 1261.215161165289
3.45
8.2989e-06
2.272e-08
d
yr
n .2854390044497887 1.8782e-09 deg/d
Q 2.504296557342654 1.0986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      7659 days (20.97 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:59:20  

Additional Information
 Earth MOID = 1.06218 au 
 Jupiter MOID = 2.46132 au 
 T_jup = 3.589 
[ 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 15.4   n/a MPO432215  

66332 (1999 JE60)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JE60 = 2000 SK76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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