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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418183619655739 8.6049e-08  
a 2.37836277774119 2.8185e-08 AU
q 2.041067264442042 1.9888e-07 AU
i 1.600776476134116 8.7718e-06 deg
node 230.6141441172774 0.00023594 deg
peri 357.6224167863621 0.0002379 deg
M 59.33415410586149 2.6492e-05 deg
tp 2456779.690461313199
(2014-May-02.19046131)
0.00010023 JED
period 1339.724735696461
3.67
2.3815e-05
6.52e-08
d
yr
n .2687119155211035 4.7766e-09 deg/d
Q 2.715658291040338 3.2182e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      4114 days (11.26 yr)  
   first obs. used      2003-04-21  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62388  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 17:11:29  

Additional Information
 Earth MOID = 1.03265 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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