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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157966986225526 1.2449e-07  
a 2.629930924954187 2.4101e-08 AU
q 2.325393606239136 3.243e-07 AU
i 12.25790216708476 1.0786e-05 deg
node 344.5717357617251 3.4164e-05 deg
peri 10.17980663325614 4.7343e-05 deg
M 278.115909973026 3.3014e-05 deg
tp 2457354.833297649426
(2015-Nov-28.33329765)
0.00014422 JED
period 1557.811622645776
4.27
2.1414e-05
5.863e-08
d
yr
n .2310934099904702 3.1766e-09 deg/d
Q 2.934468243669238 2.6892e-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 = 1.32109 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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