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13953 (1990 TO4)
Classification: Main-belt Asteroid          SPK-ID: 2013953
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636837045639933 6.3408e-08  
a 2.547017183139778 3.1581e-08 AU
q 2.130111975015312 1.5485e-07 AU
i 10.40140949518212 6.8912e-06 deg
node 82.85827476112718 0.00011102 deg
peri 5.742120605389684 0.0001458 deg
M 249.7072782710249 9.8478e-05 deg
tp 2457255.373453973009
(2015-Aug-20.87345397)
0.00040631 JED
period 1484.725744937919
4.06
2.7614e-05
7.56e-08
d
yr
n .2424690224624971 4.5096e-09 deg/d
Q 2.963922391264244 3.675e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      11165 days (30.57 yr)  
   first obs. used      1982-12-13  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49222  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:47:32  

Additional Information
 Earth MOID = 1.14607 AU 
 T_jup = 3.401 
[ 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 13.8 mag n/a MPO266032  

13953 (1990 TO4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring (413)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 TO4 = 1982 XJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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