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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280014913157094 1.151e-07  
a 2.896134843185258 3.6322e-08 AU
q 2.235811779887631 3.2416e-07 AU
i 7.06384479954379 1.0493e-05 deg
node 319.3407356699179 7.9309e-05 deg
peri 205.659566599554 8.0706e-05 deg
M 143.6504714685575 2.0636e-05 deg
tp 2456282.158181537954
(2012-Dec-20.65818154)
9.7825e-05 JED
period 1800.224196987339
4.93
3.3866e-05
9.272e-08
d
yr
n .1999750923259765 3.762e-09 deg/d
Q 3.556457906482886 4.4603e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6003 days (16.44 yr)  
   first obs. used      1998-02-26  
   last obs. used      2014-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64644  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 17:02:12  

Additional Information
 Earth MOID = 1.24697 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 15.7 mag n/a MPO302815  

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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