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JPL Small-Body Database Browser
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66386 (1999 JJ134)
Classification: Main-belt Asteroid          SPK-ID: 2066386
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900975165818857 4.8703e-08  
a 2.245146979611017 1.144e-08 au
q 1.818350114425641 1.1527e-07 au
i 5.170529077762668 4.4188e-06 deg
node 181.6722090588077 4.4252e-05 deg
peri 136.2964978139983 4.5878e-05 deg
M 18.10228701783484 1.2716e-05 deg
tp 2458938.713081106218
(2020-Mar-30.21308111)
4.3178e-05 TDB
period 1228.75583509679
3.36
9.3919e-06
2.571e-08
d
yr
n .2929792801119374 2.2394e-09 deg/d
Q 2.671943844796393 1.3615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      7799 days (21.35 yr)  
   first obs. used      1997-12-29  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:00  

Additional Information
 Earth MOID = .809675 au 
 Jupiter MOID = 2.64138 au 
 T_jup = 3.602 
[ 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 16.1   n/a MPO432215  

66386 (1999 JJ134)          Discovered 1999-May-15 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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