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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636659825408101 6.0733e-08  
a 2.54661767827905 2.4951e-08 AU
q 2.129822993807712 1.5188e-07 AU
i 10.40131616705989 6.2306e-06 deg
node 82.85437883619917 0.00010803 deg
peri 5.799228007765224 0.00013636 deg
M 298.1489798931408 8.9232e-05 deg
tp 2457255.528324281459
(2015-Aug-21.02832428)
0.00036933 JED
period 1484.376435226228
4.06
2.1815e-05
5.973e-08
d
yr
n .2425260812936133 3.5642e-09 deg/d
Q 2.963412362750387 2.9034e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      11616 days (31.80 yr)  
   first obs. used      1982-12-13  
   last obs. used      2014-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50489  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:26:26  

Additional Information
 Earth MOID = 1.14616 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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