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178390 (1998 EC10)
Classification: Main-belt Asteroid          SPK-ID: 2178390
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279176160142343 1.3292e-07  
a 2.896112649973492 3.7116e-08 AU
q 2.236037559082867 3.8016e-07 AU
i 7.063593575480682 1.2162e-05 deg
node 319.3414568564292 0.00010451 deg
peri 205.6422731848248 0.00010586 deg
M 103.6859548621141 2.2407e-05 deg
tp 2456282.011613105456
(2012-Dec-20.51161311)
0.00010961 JED
period 1800.203504228306
4.93
3.4607e-05
9.475e-08
d
yr
n .1999773909752061 3.8443e-09 deg/d
Q 3.556187740864117 4.5575e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5964 days (16.33 yr)  
   first obs. used      1998-02-26  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66972  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 16:00:36  

Additional Information
 Earth MOID = 1.24671 AU 
 T_jup = 3.238 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO264408  

178390 (1998 EC10)          Discovered 1998-Mar-01 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 1998 EC10 = 2003 EN34 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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