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447709 (2007 EE81)
Classification: Main-belt Asteroid          SPK-ID: 2447709
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283962352032985 7.6239e-08  
a 2.182330785810463 1.4404e-08 au
q 1.902127728944143 1.6097e-07 au
i .7647448619530293 9.113e-06 deg
node 52.75601922073368 0.00051846 deg
peri 99.51395122500304 0.00052064 deg
M 43.17160528102561 4.636e-05 deg
tp 2458859.286898193949
(2020-Jan-10.78689819)
0.00015099 TDB
period 1177.54983441678
3.22
1.1658e-05
3.192e-08
d
yr
n .305719545345868 3.0267e-09 deg/d
Q 2.462533842676782 1.6253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      9518 days (26.06 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:10:33  

Additional Information
 Earth MOID = .91278 au 
 Jupiter MOID = 2.52627 au 
 T_jup = 3.669 
[ 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 18.7   n/a MPO411395  

447709 (2007 EE81)          Discovered 2007-Mar-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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