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78868 (2003 QE87)
Classification: Main-belt Asteroid          SPK-ID: 2078868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05980764039467591 3.341e-08  
a 2.426319250863121 1.1505e-08 au
q 2.28120682162482 8.004e-08 au
i 5.168883028179191 3.6496e-06 deg
node 339.3549192374942 4.4557e-05 deg
peri 50.53820782620831 5.8078e-05 deg
M 212.7637900036229 3.9646e-05 deg
tp 2459961.089077238480
(2023-Jan-16.58907724)
0.00015397 TDB
period 1380.448924967942
3.78
9.8187e-06
2.688e-08
d
yr
n .2607847298721032 1.8549e-09 deg/d
Q 2.571431680101422 1.2193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      8488 days (23.24 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51577  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:07:16  

Additional Information
 Earth MOID = 1.28827 au 
 Jupiter MOID = 2.6613 au 
 T_jup = 3.502 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.97   n/a E2021B10  

78868 (2003 QE87)          Discovered 2003-Aug-25 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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