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78863 (2003 QJ78)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078863
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05597562755525303 4.1895e-08  
a 3.246269188163842 2.1165e-08 au
q 3.064557233143089 1.4238e-07 au
i 15.53818196056314 4.6578e-06 deg
node 191.2184187622761 1.3984e-05 deg
peri 227.3993031241548 4.6064e-05 deg
M 260.6527798302593 4.5096e-05 deg
tp 2459590.060583857219
(2022-Jan-10.56058386)
0.00026926 TDB
period 2136.363854227335
5.85
2.0893e-05
5.72e-08
d
yr
n .1685106211133694 1.648e-09 deg/d
Q 3.427981143184595 2.235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      9352 days (25.60 yr)  
   first obs. used      1995-03-26  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52276  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:14  

Additional Information
 Earth MOID = 2.09327 au 
 Jupiter MOID = 1.83584 au 
 T_jup = 3.122 
[ 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 13.9   n/a MPO436333  

78863 (2003 QJ78)          Discovered 2003-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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