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469977 (2006 EF55)
Classification: Main-belt Asteroid          SPK-ID: 2469977
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 .09185449348256967 3.7001e-07  
a 2.555248273031717 6.1692e-08 au
q 2.320537237190177 9.9178e-07 au
i 21.97265848863453 1.58e-05 deg
node 339.7885978482209 2.0661e-05 deg
peri 133.0581859470107 0.00026422 deg
M 220.376592646326 0.00022157 deg
tp 2459579.133819775266
(2021-Dec-30.63381978)
0.00090156 TDB
period 1491.928746527718
4.08
5.403e-05
1.479e-07
d
yr
n .2412983869624176 8.7385e-09 deg/d
Q 2.789959308873255 6.7358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4445 days (12.17 yr)  
   first obs. used      2006-02-07  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:04:59  

Additional Information
 Earth MOID = 1.36898 au 
 Jupiter MOID = 2.28243 au 
 T_jup = 3.331 
[ 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 16.9   n/a MPO437771  

469977 (2006 EF55)          Discovered 2006-Mar-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2006 EF55 = 2010 DM20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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