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13000 (1981 QK3)
Classification: Main-belt Asteroid          SPK-ID: 2013000
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158641537576164 1.2447e-07  
a 2.629511444424446 2.409e-08 AU
q 2.32484532612024 3.2421e-07 AU
i 12.25824098424318 1.0786e-05 deg
node 344.5765642100152 3.4165e-05 deg
peri 10.25014680679625 4.7343e-05 deg
M 231.8171672264929 3.2837e-05 deg
tp 2457355.047036976654
(2015-Nov-28.54703698)
0.00014412 JED
period 1557.43892526033
4.26
2.1402e-05
5.86e-08
d
yr
n .2311487109774306 3.1765e-09 deg/d
Q 2.934177562728653 2.6881e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      11940 days (32.69 yr)  
   first obs. used      1981-08-25  
   last obs. used      2014-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5687  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:31:45  

Additional Information
 Earth MOID = 1.31895 AU 
 T_jup = 3.359 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO263465  

13000 (1981 QK3)          Discovered 1981-Aug-25 by Debehogne, H. at La Silla (809)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 QK3 = 1992 EL19 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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