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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0962053417042696 5.2105e-08  
a 2.284514069457771 1.0038e-08 au
q 2.064731612777375 1.2154e-07 au
i 6.283763552028618 4.2064e-06 deg
node 63.60191272563111 3.959e-05 deg
peri 144.9658117788686 4.4406e-05 deg
M 60.55569320158145 2.157e-05 deg
tp 2458788.350671387306
(2019-Oct-31.85067139)
7.5308e-05 TDB
period 1261.215160172177
3.45
8.3125e-06
2.276e-08
d
yr
n .2854390046745505 1.8813e-09 deg/d
Q 2.504296526138168 1.1004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:52:24  

Additional Information
 Earth MOID = 1.06218 au 
 Jupiter MOID = 2.46132 au 
 T_jup = 3.589 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456914.5 (2014-Sep-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09640540133426333 5.1984e-08  
q 2.063311167672387 1.2129e-07 au
tp 2457527.154239408428
(2016-May-18.65423941)
7.4065e-05 TDB
node 63.64322952801709 3.9583e-05 deg
peri 144.819342058332 4.4394e-05 deg
i 6.285193379995132 4.207e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:52:24  

Additional Information
 Jupiter MOID = 2.46132 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.702292471797894E-15 -6.288555005592083E-15 -1.237055284161994E-12 -5.956410088912187E-15 -2.361815115333808E-13 -1.359636791855345E-15
q -6.288555005592083E-15 1.471213707240349E-14 2.875950199345291E-12 1.361369673462986E-14 5.3989713031789E-13 3.295524424095827E-15
tp -1.237055284161994E-12 2.875950199345291E-12 5.485553394160828E-9 -1.444097188521428E-11 1.49850068326064E-9 2.999664482705362E-12
node -5.956410088912187E-15 1.361369673462986E-14 -1.444097188521428E-11 1.566837739232681E-9 -1.561257897574191E-9 -4.204937396478505E-11
peri -2.361815115333808E-13 5.3989713031789E-13 1.49850068326064E-9 -1.561257897574191E-9 1.97080291424219E-9 4.258898227346587E-11
i -1.359636791855345E-15 3.295524424095827E-15 2.999664482705362E-12 -4.204937396478505E-11 4.258898227346587E-11 1.769861142273705E-11

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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