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JPL Small-Body Database Browser
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447730 (2007 EA217)
Classification: Main-belt Asteroid          SPK-ID: 2447730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192484981251517 1.2104e-07  
a 3.033865499812623 5.9224e-08 au
q 2.672081595446255 3.9401e-07 au
i 12.36141029799126 9.4967e-06 deg
node 9.913668800862162 5.179e-05 deg
peri 121.8386676484671 6.8085e-05 deg
M 148.6122141282021 3.8778e-05 deg
tp 2457803.708090390402
(2017-Feb-19.20809039)
0.0002065 TDB
period 1930.158225164486
5.28
5.6518e-05
1.547e-07
d
yr
n .1865132066928457 5.4614e-09 deg/d
Q 3.395649404178992 6.6287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4127 days (11.30 yr)  
   first obs. used      2007-02-25  
   last obs. used      2018-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:29:04  

Additional Information
 Earth MOID = 1.70962 au 
 Jupiter MOID = 1.68339 au 
 T_jup = 3.196 
[ 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 16.1   n/a MPO456121  

447730 (2007 EA217)          Discovered 2007-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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