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JPL Small-Body Database Browser
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447729 (2007 EH209)
Classification: Main-belt Asteroid          SPK-ID: 2447729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172812537622727 1.2398e-07  
a 3.010973072929527 8.9546e-08 au
q 2.657842375891909 3.8582e-07 au
i 12.78804607686241 1.2347e-05 deg
node 337.0401506843637 4.5572e-05 deg
peri 35.24982336809705 6.5603e-05 deg
M 253.3242040923936 4.4388e-05 deg
tp 2459165.986348978689
(2020-Nov-12.48634898)
0.00023804 TDB
period 1908.353098285272
5.22
8.5131e-05
2.331e-07
d
yr
n .1886443343862693 8.4154e-09 deg/d
Q 3.364103769967145 1.0005e-07 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4070 days (11.14 yr)  
   first obs. used      2007-02-23  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:54:07  

Additional Information
 Earth MOID = 1.66598 au 
 Jupiter MOID = 2.12091 au 
 T_jup = 3.202 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO437740  

447729 (2007 EH209)          Discovered 2007-Feb-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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