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308768 (2006 ON9)
Classification: Main-belt Asteroid          SPK-ID: 2308768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2266940574050129 4.911e-08  
a 2.653408008827224 1.8943e-08 au
q 2.051896181355225 1.2995e-07 au
i 6.239982672332834 5.5541e-06 deg
node 114.5746824559557 6.7678e-05 deg
peri 182.2992991036838 7.0388e-05 deg
M 87.30580031482032 1.7234e-05 deg
tp 2458617.635519542328
(2019-May-14.13551954)
7.6046e-05 TDB
period 1578.717707961551
4.32
1.6906e-05
4.629e-08
d
yr
n .2280331677946617 2.4419e-09 deg/d
Q 3.254919836299224 2.3237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6230 days (17.06 yr)  
   first obs. used      2002-10-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:54:04  

Additional Information
 Earth MOID = 1.03602 au 
 Jupiter MOID = 1.9686 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO440449  

308768 (2006 ON9)          Discovered 2006-Jul-24 by Hoenig, S. F. at Hibiscus
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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