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JPL Small-Body Database Browser
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305868 (2009 EE29)
Classification: Main-belt Asteroid          SPK-ID: 2305868
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06852967645731037 1.2126e-07  
a 2.427359886812746 2.8391e-08 au
q 2.261013699124015 2.7839e-07 au
i 5.180663391792803 9.5332e-06 deg
node 41.34053127656029 6.0785e-05 deg
peri 155.5436283245725 7.2386e-05 deg
M 219.9979219325329 4.0425e-05 deg
tp 2459137.694631981356
(2020-Oct-15.19463198)
0.00015845 TDB
period 1381.337121439679
3.78
2.4234e-05
6.635e-08
d
yr
n .2606170459133069 4.5723e-09 deg/d
Q 2.593706074501477 3.0336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1994-04-05  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57493  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:37:36  

Additional Information
 Earth MOID = 1.25981 au 
 Jupiter MOID = 2.36324 au 
 T_jup = 3.501 
[ 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 17.0   n/a MPO418595  

305868 (2009 EE29)          Discovered 2009-Mar-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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