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121513 (1999 UJ6)
Classification: Main-belt Asteroid          SPK-ID: 2121513
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118138836299477 9.9229e-08  
a 3.065154848241329 2.71e-08 au
q 2.41591249590817 3.0439e-07 au
i 1.235004325115214 8.9758e-06 deg
node 225.5002247668251 0.00035605 deg
peri 162.9788093718655 0.00035666 deg
M 15.41413172350464 1.8008e-05 deg
tp 2457316.574561063486
(2015-Oct-21.07456106)
9.7944e-05 JED
period 1960.094707837073
5.37
2.5995e-05
7.117e-08
d
yr
n .1836645946548435 2.4358e-09 deg/d
Q 3.714397200574488 3.284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      5916 days (16.20 yr)  
   first obs. used      1999-10-01  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59487  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:17:50  

Additional Information
 Earth MOID = 1.41938 au 
 Jupiter MOID = 1.7357 au 
 T_jup = 3.197 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO351706  

121513 (1999 UJ6)          Discovered 1999-Oct-28 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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