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(2010 EL42)
Classification: Main-belt Asteroid          SPK-ID: 3569573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221374083425525 8.5532e-08  
a 2.549834932271938 7.2404e-08 au
q 1.983421208715742 1.8058e-07 au
i 13.75851640223149 7.7079e-06 deg
node 8.206166897604588 3.3587e-05 deg
peri 292.1745209302818 4.5759e-05 deg
M 96.31809304176656 3.1639e-05 deg
tp 2458802.601866816374
(2019-Nov-15.10186682)
0.00013828 TDB
period 1487.190240404683
4.07
6.3345e-05
1.734e-07
d
yr
n .2420672152219339 1.031e-08 deg/d
Q 3.116248655828135 8.8488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6911 days (18.92 yr)  
   first obs. used      2002-03-11  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:35:06  

Additional Information
 Earth MOID = 1.01385 au 
 Jupiter MOID = 2.31854 au 
 T_jup = 3.367 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   .32624 E2020A55 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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