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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281739950387286 1.0454e-07  
a 2.895685946351173 3.4039e-08 au
q 2.234965715594724 2.9376e-07 au
i 7.063232428405223 9.6135e-06 deg
node 319.3370393314628 6.6199e-05 deg
peri 205.7191049231239 6.7613e-05 deg
M 223.5637777716879 2.0716e-05 deg
tp 2458082.607460167455
(2017-Nov-25.10746017)
0.00011109 JED
period 1799.805664872237
4.93
3.1735e-05
8.689e-08
d
yr
n .2000215951234687 3.5269e-09 deg/d
Q 3.556406177107622 4.1806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6434 days (17.62 yr)  
   first obs. used      1998-02-26  
   last obs. used      2015-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6241  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 21:04:02  

Additional Information
 Earth MOID = 1.24541 au 
 Jupiter MOID = 1.46352 au 
 T_jup = 3.239 
[ 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 MPO348441  

178390 (1998 EC10)          Discovered 1998-Mar-01 by BAO Schmidt CCD Asteroid Program at Xinglong
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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