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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05965950143970331 3.3965e-08  
a 2.426636009212579 1.2651e-08 au
q 2.281864114727326 8.0666e-08 au
i 5.168810474539283 4.3233e-06 deg
node 339.3539635389183 4.763e-05 deg
peri 50.59253877167775 6.3042e-05 deg
M 161.5930477490838 4.2423e-05 deg
tp 2458580.737128697732
(2019-Apr-07.23712870)
0.00016158 TDB
period 1380.719262225075
3.78
1.0798e-05
2.956e-08
d
yr
n .2607336696526185 2.039e-09 deg/d
Q 2.571407903697833 1.3406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      8346 days (22.85 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 21:00:50  

Additional Information
 Earth MOID = 1.28838 au 
 Jupiter MOID = 2.6612 au 
 T_jup = 3.502 
[ 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 15.97   n/a E2021B10  

78868 (2003 QE87)          Discovered 2003-Aug-25 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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