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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1831382861045499 5.7418e-08  
a 3.118851009083134 2.0135e-08 au
q 2.547669980664203 1.7754e-07 au
i 2.629931302506245 5.9044e-06 deg
node 139.9057908887646 0.00011586 deg
peri 199.1783280920814 0.00011683 deg
M 128.68222446218 1.303e-05 deg
tp 2456881.371619445837
(2014-Aug-11.87161945)
7.193e-05 JED
period 2011.825783098628
5.51
1.9482e-05
5.334e-08
d
yr
n .178941935740343 1.7328e-09 deg/d
Q 3.690032037502065 2.3822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      12580 days (34.44 yr)  
   first obs. used      1981-08-25  
   last obs. used      2016-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55331  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:55:15  

Additional Information
 Earth MOID = 1.53818 au 
 Jupiter MOID = 1.69531 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 13.4 mag n/a MPO347632  

13485 (1981 QJ3)          Discovered 1981-Aug-25 by Debehogne, H. at La Silla
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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