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137315 (1999 TB20)
Classification: Main-belt Asteroid          SPK-ID: 2137315
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483847960781264 1.0001e-07  
a 2.34643688667142 3.118e-08 AU
q 1.998261327732488 2.3286e-07 AU
i 5.630846478539385 1.0514e-05 deg
node 59.54201029331617 9.8808e-05 deg
peri 329.3475962545838 0.00010408 deg
M 74.99203940477135 3.6045e-05 deg
tp 2456727.020733521036
(2014-Mar-10.52073352)
0.00012899 JED
period 1312.839825585048
3.59
2.6168e-05
7.164e-08
d
yr
n .2742147160561428 5.4657e-09 deg/d
Q 2.694612445610353 3.5806e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      5557 days (15.21 yr)  
   first obs. used      1999-10-09  
   last obs. used      2014-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62931  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 07:45:17  

Additional Information
 Earth MOID = 1.00582 AU 
 T_jup = 3.539 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8 mag n/a MPO266454  

137315 (1999 TB20)          Discovered 1999-Oct-15 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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