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JPL Small-Body Database Browser
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347946 (2003 HE26)
Classification: Main-belt Asteroid          SPK-ID: 2347946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09308480199995796 6.0423e-08  
a 3.098509807448339 3.5116e-08 au
q 2.810085635527082 1.8626e-07 au
i 2.663971521969055 6.0455e-06 deg
node 333.64741493944 0.00013255 deg
peri 190.69979463213 0.00013678 deg
M 86.34426916112285 3.4395e-05 deg
tp 2458522.686125209182
(2019-Feb-08.18612521)
0.00018776 TDB
period 1992.176164045231
5.45
3.3866e-05
9.272e-08
d
yr
n .1807069106122617 3.0719e-09 deg/d
Q 3.386933979369595 3.8384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      2003-04-25  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:34:01  

Additional Information
 Earth MOID = 1.81768 au 
 Jupiter MOID = 1.59241 au 
 T_jup = 3.214 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO476611  

347946 (2003 HE26)          Discovered 2003-Apr-25 by Spacewatch at Kitt Peak
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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Alternate Designations
 2003 HE26 = 2007 YS61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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