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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417132083037695 8.6242e-08  
a 2.378097215023505 2.8207e-08 AU
q 2.041089429024264 1.9941e-07 AU
i 1.600897986992751 8.8685e-06 deg
node 230.6191442105409 0.00024071 deg
peri 357.6081915089166 0.00024262 deg
M 5.601683013864914 2.7071e-05 deg
tp 2456779.657065581092
(2014-May-02.15706558)
0.00010088 JED
period 1339.500355917136
3.67
2.3832e-05
6.525e-08
d
yr
n .2687569274690587 4.7816e-09 deg/d
Q 2.715105001022745 3.2204e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4086 days (11.19 yr)  
   first obs. used      2003-04-21  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62967  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 16:14:01  

Additional Information
 Earth MOID = 1.03129 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 (413)
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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