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JPL Small-Body Database Browser
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423397 (2005 KO9)
Classification: Main-belt Asteroid          SPK-ID: 2423397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215183576956892 5.9261e-08  
a 2.325943066374776 1.2542e-08 au
q 1.810703978217761 1.4103e-07 au
i 3.036737485075026 6.1875e-06 deg
node 66.50350968760966 0.00011098 deg
peri 164.1982706210916 0.00011202 deg
M 93.62017313047527 1.3715e-05 deg
tp 2458663.551144120621
(2019-Jun-29.05114412)
4.8638e-05 TDB
period 1295.677887152831
3.55
1.048e-05
2.869e-08
d
yr
n .2778468349036016 2.2473e-09 deg/d
Q 2.841182154531792 1.532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5121 days (14.02 yr)  
   first obs. used      2005-05-22  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:30:11  

Additional Information
 Earth MOID = .800403 au 
 Jupiter MOID = 2.15132 au 
 T_jup = 3.539 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO477001  

423397 (2005 KO9)          Discovered 2005-May-28 by Broughton, J. at Reedy Creek
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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