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70640 (1999 TR239)
Classification: Main-belt Asteroid          SPK-ID: 2070640
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752717465285696 9.0925e-08  
a 2.556526907907222 1.3932e-08 au
q 2.10843997171104 2.3862e-07 au
i 7.609714570504639 5.5333e-06 deg
node 102.9678598678786 5.0455e-05 deg
peri 14.27851169629495 5.6612e-05 deg
M 304.5375573012362 2.1555e-05 deg
tp 2459230.522580525701
(2021-Jan-16.02258053)
8.8851e-05 TDB
period 1493.048718373493
4.09
1.2204e-05
3.341e-08
d
yr
n .2411173832238904 1.9709e-09 deg/d
Q 3.004613844103404 1.6373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:54  

Additional Information
 Earth MOID = 1.12569 au 
 Jupiter MOID = 2.09933 au 
 T_jup = 3.403 
[ 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 15.2   n/a MPO417316  

70640 (1999 TR239)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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