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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835308406825836 6.8226e-08  
a 3.119721210931984 2.1685e-08 AU
q 2.547156154394349 2.1432e-07 AU
i 2.629929324502261 6.7413e-06 deg
node 139.9045019002903 0.00013301 deg
peri 199.2471063943201 0.0001341 deg
M 21.22744420326472 1.4226e-05 deg
tp 2456881.822794159345
(2014-Aug-12.32279416)
7.9449e-05 JED
period 2012.667831959956
5.51
2.0985e-05
5.745e-08
d
yr
n .1788670710006968 1.8649e-09 deg/d
Q 3.692286267469619 2.5664e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      12174 days (33.33 yr)  
   first obs. used      1981-08-25  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5346  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:19:58  

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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