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13485 (1981 QJ3)
Classification: Main-belt Asteroid          SPK-ID: 2013485
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836832407093579 6.9278e-08  
a 3.120323736060472 2.5916e-08 AU
q 2.547172560158554 2.1664e-07 AU
i 2.629802103447101 7.0289e-06 deg
node 139.9031305161543 0.00016287 deg
peri 199.2679726327757 0.00016493 deg
M 345.4448583226428 2.6518e-05 deg
tp 2456881.897645999532
(2014-Aug-12.39764600)
0.00014899 JED
period 2013.250932858805
5.51
2.5081e-05
6.867e-08
d
yr
n .1788152654616194 2.2277e-09 deg/d
Q 3.693474911962391 3.0676e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      917  
   data-arc span      11610 days (31.79 yr)  
   first obs. used      1981-08-25  
   last obs. used      2013-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56118  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:32:41  

Additional Information
 Earth MOID = 1.53724 AU 
 T_jup = 3.188 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO263470  

13485 (1981 QJ3)          Discovered 1981-Aug-25 by Debehogne, H. at La Silla (809)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 QJ3 = 1992 SO3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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