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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163665969232794 5.9904e-08  
a 2.546617668361315 2.3828e-08 AU
q 2.129823019403602 1.5065e-07 AU
i 10.40131649583445 6.019e-06 deg
node 82.8543834370809 0.00010683 deg
peri 5.799233737488832 0.00013524 deg
M 298.1489754039056 8.916e-05 deg
tp 2457255.528341301977
(2015-Aug-21.02834130)
0.00036907 JED
period 1484.37642655493
4.06
2.0834e-05
5.704e-08
d
yr
n .2425260827103804 3.4039e-09 deg/d
Q 2.963412317319027 2.7728e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      11671 days (31.95 yr)  
   first obs. used      1982-12-13  
   last obs. used      2014-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49584  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:38:55  

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 13.9 mag n/a MPO319259  

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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