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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835308463046279 6.8321e-08  
a 3.119721207610746 2.2e-08 AU
q 2.54715613414345 2.1477e-07 AU
i 2.629930441776682 6.804e-06 deg
node 139.9044846731821 0.00013396 deg
peri 199.2471224753347 0.00013507 deg
M 21.2274464652502 1.4553e-05 deg
tp 2456881.822781702678
(2014-Aug-12.32278170)
8.1237e-05 JED
period 2012.667828745943
5.51
2.129e-05
5.829e-08
d
yr
n .1788670712863282 1.8921e-09 deg/d
Q 3.692286281078041 2.6038e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      12092 days (33.11 yr)  
   first obs. used      1981-08-25  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53663  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:25:21  

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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