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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417131766371681 9.5064e-08  
a 2.378097222014881 4.2398e-08 AU
q 2.041089510331128 2.1939e-07 AU
i 1.60090527451655 9.5338e-06 deg
node 230.6186337870062 0.00041273 deg
peri 357.6087100765259 0.00041428 deg
M 5.601676393938562 4.3413e-05 deg
tp 2456779.657090120827
(2014-May-02.15709012)
0.00016148 JED
period 1339.500361824139
3.67
3.5822e-05
9.808e-08
d
yr
n .2687569262838795 7.1873e-09 deg/d
Q 2.715104933698635 4.8406e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3978 days (10.89 yr)  
   first obs. used      2003-04-21  
   last obs. used      2014-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 13:41:44  

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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