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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162790781030246 1.2332e-07  
a 3.007184687070833 9.0334e-08 au
q 2.657512023972704 3.8271e-07 au
i 12.80313415715568 1.2356e-05 deg
node 336.9278277062404 4.5506e-05 deg
peri 35.86613196032169 6.621e-05 deg
M 328.2587409223585 4.5392e-05 deg
tp 2459168.442350736197
(2020-Nov-14.94235074)
0.00024114 TDB
period 1904.752616055433
5.21
8.5827e-05
2.35e-07
d
yr
n .1890009216763943 8.5163e-09 deg/d
Q 3.356857350168962 1.0084e-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 = 1.66696 au 
 Jupiter MOID = 2.13305 au 
 T_jup = 3.203 
[ 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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