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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641732190632475 5.846e-08  
a 2.547478273955569 1.6722e-08 au
q 2.129250565226598 1.4737e-07 au
i 10.4001228213331 5.1556e-06 deg
node 82.81490668421698 6.6493e-05 deg
peri 5.92916391409902 8.9369e-05 deg
M 83.53657741327892 6.0606e-05 deg
tp 2457255.881698897106
(2015-Aug-21.38169890)
0.00025068 JED
period 1485.128936792197
4.07
1.4623e-05
4.004e-08
d
yr
n .2424031954946496 2.3868e-09 deg/d
Q 2.96570598268454 1.9468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      12173 days (33.33 yr)  
   first obs. used      1982-12-13  
   last obs. used      2016-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50285  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:18:03  

Additional Information
 Earth MOID = 1.14426 au 
 Jupiter MOID = 2.26125 au 
 T_jup = 3.400 
[ 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
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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