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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116874276430262 9.8148e-08  
a 3.064684756236201 2.6118e-08 au
q 2.415929523651765 3.0014e-07 au
i 1.235096549145617 8.7959e-06 deg
node 225.5023762842376 0.00033104 deg
peri 162.9641207652155 0.00033175 deg
M 52.16938720197785 1.7258e-05 deg
tp 2457316.518287534591
(2015-Oct-21.01828753)
9.3822e-05 JED
period 1959.643805892193
5.37
2.5051e-05
6.859e-08
d
yr
n .183706854744502 2.3484e-09 deg/d
Q 3.713439988820638 3.1647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      6022 days (16.49 yr)  
   first obs. used      1999-10-01  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59292  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 16:22:13  

Additional Information
 Earth MOID = 1.41953 au 
 Jupiter MOID = 1.73556 au 
 T_jup = 3.198 
[ 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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