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393805 (2005 QO77)
Classification: Main-belt Asteroid          SPK-ID: 2393805
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 .1803413148441684 7.5569e-08  
a 3.091943297477963 3.9895e-08 au
q 2.534338177787173 2.4394e-07 au
i 1.671521469219211 8.3884e-06 deg
node 45.2114073085006 0.00021129 deg
peri 293.8570371050624 0.00021263 deg
M 255.2502868852462 2.7513e-05 deg
tp 2459578.324629677073
(2021-Dec-29.82462968)
0.00015979 TDB
period 1985.84664815132
5.44
3.8435e-05
1.052e-07
d
yr
n .1812828801937622 3.5086e-09 deg/d
Q 3.649548417168752 4.709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5373 days (14.71 yr)  
   first obs. used      2005-08-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:27:21  

Additional Information
 Earth MOID = 1.52611 au 
 Jupiter MOID = 1.74605 au 
 T_jup = 3.199 
[ 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 16.3   n/a MPO472041  

393805 (2005 QO77)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: Last Updated: 2014-05-15

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