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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2282116315996578 1.0455e-07  
a 2.895245264702861 3.4106e-08 au
q 2.234516618963838 2.9368e-07 au
i 7.062904196054628 9.6129e-06 deg
node 319.3301256860013 6.6211e-05 deg
peri 205.7683746992601 6.7622e-05 deg
M 263.5201132208143 2.113e-05 deg
tp 2458082.737246864094
(2017-Nov-25.23724686)
0.00011104 JED
period 1799.394823797896
4.93
3.1796e-05
8.705e-08
d
yr
n .2000672644151356 3.5352e-09 deg/d
Q 3.555973910441885 4.189e-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 = 1.24393 au 
 Jupiter MOID = 1.46359 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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