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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280014895443043 1.0865e-07  
a 2.896134843875572 3.6032e-08 AU
q 2.23581178555078 3.0361e-07 AU
i 7.063849404522285 9.8732e-06 deg
node 319.3407887251823 6.7823e-05 deg
peri 205.659513621192 6.9315e-05 deg
M 143.6504716110351 1.9945e-05 deg
tp 2456282.158180568645
(2012-Dec-20.65818057)
9.3676e-05 JED
period 1800.224197630982
4.93
3.3596e-05
9.198e-08
d
yr
n .1999750922544784 3.732e-09 deg/d
Q 3.556457902200364 4.4248e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6026 days (16.50 yr)  
   first obs. used      1998-02-26  
   last obs. used      2014-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63505  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:54:02  

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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