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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835308460724322 6.8353e-08  
a 3.119721208886622 2.363e-08 AU
q 2.547156135909549 2.1519e-07 AU
i 2.629930549863323 6.8391e-06 deg
node 139.904480192902 0.00014141 deg
peri 199.2471276776895 0.00014262 deg
M 21.22744533080622 1.6439e-05 deg
tp 2456881.822787972261
(2014-Aug-12.32278797)
9.1566e-05 JED
period 2012.667829980628
5.51
2.2867e-05
6.261e-08
d
yr
n .178867071176601 2.0322e-09 deg/d
Q 3.692286281863694 2.7967e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      12061 days (33.02 yr)  
   first obs. used      1981-08-25  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54205  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:01:53  

Additional Information
 Earth MOID = 1.53898 AU 
 T_jup = 3.189 
[ 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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