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308364 (2005 QO164)
Classification: Main-belt Asteroid          SPK-ID: 2308364
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695104229316842 7.3286e-08  
a 3.055314381355636 3.446e-08 au
q 2.537406748382785 2.1638e-07 au
i 2.826530783024177 6.4691e-06 deg
node 80.67516080267508 0.00013142 deg
peri 278.6147778922589 0.00013284 deg
M 271.3671273629677 2.2387e-05 deg
tp 2459480.757999810217
(2021-Sep-23.25799981)
0.00012671 TDB
period 1950.663165795221
5.34
3.3002e-05
9.035e-08
d
yr
n .1845526210329808 3.1223e-09 deg/d
Q 3.573222014328486 4.0302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      4997 days (13.68 yr)  
   first obs. used      2005-08-31  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:09:19  

Additional Information
 Earth MOID = 1.53593 au 
 Jupiter MOID = 1.88097 au 
 T_jup = 3.212 
[ 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 16.6   n/a MPO437366  

308364 (2005 QO164)          Discovered 2005-Aug-31 by NEAT at Palomar
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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