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196415 (2003 HE)
Classification: Main-belt Asteroid          SPK-ID: 2196415
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420496470504263 8.5914e-08  
a 2.378047191802699 2.3727e-08 au
q 2.040246427537868 1.973e-07 au
i 1.601121290875549 8.3139e-06 deg
node 230.5978654127345 0.00021175 deg
peri 357.6163614817264 0.00021279 deg
M 166.8313566408426 2.0319e-05 deg
tp 2456779.767748374432
(2014-May-02.26774837)
7.6236e-05 JED
period 1339.458091600134
3.67
2.0047e-05
5.489e-08
d
yr
n .2687654076358144 4.0224e-09 deg/d
Q 2.715847956067529 2.7097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      4584 days (12.55 yr)  
   first obs. used      2003-04-21  
   last obs. used      2015-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60077  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 22:11:01  

Additional Information
 Earth MOID = 1.02953 au 
 Jupiter MOID = 2.2673 au 
 T_jup = 3.526 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2 mag n/a MPO251506  

196415 (2003 HE)          Discovered 2003-Apr-21 by McNaught, R. H. at Siding Spring
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2003 HE = 2004 TE188 = 2006 AV45 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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