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78425 (2002 QO42)
Classification: Main-belt Asteroid          SPK-ID: 2078425
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3112225195521579 3.6263e-08  
a 2.673213206784756 1.2864e-08 au
q 1.841249057269101 9.6482e-08 au
i 7.982103249413867 4.9635e-06 deg
node 98.74816079310143 3.2136e-05 deg
peri 290.249973601601 3.3093e-05 deg
M 343.7773989066197 9.6291e-06 deg
tp 2459072.439400175266
(2020-Aug-10.93940018)
4.2928e-05 TDB
period 1596.426116503808
4.37
1.1524e-05
3.155e-08
d
yr
n .2255037024753794 1.6278e-09 deg/d
Q 3.505177356300411 1.6868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:54  

Additional Information
 Earth MOID = .864956 au 
 Jupiter MOID = 1.99728 au 
 T_jup = 3.296 
[ 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 14.8   n/a MPO417367  

78425 (2002 QO42)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QO42 = 1963 TX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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