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JPL Small-Body Database Browser
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212137 (2005 EF251)
Classification: Main-belt Asteroid          SPK-ID: 2212137
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102282951710953 5.4363e-08  
a 2.438441781684916 2.1329e-08 au
q 2.189030758678868 1.3118e-07 au
i 3.443583652278379 7.9045e-06 deg
node 196.027454942336 9.8984e-05 deg
peri 268.3821028287205 0.00010816 deg
M 304.7300078158498 4.919e-05 deg
tp 2458814.027549514902
(2019-Nov-26.52754952)
0.00019151 TDB
period 1390.807466902608
3.81
1.8248e-05
4.996e-08
d
yr
n .2588424412199458 3.3961e-09 deg/d
Q 2.687852804690964 2.351e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5863 days (16.05 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5583  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:33  

Additional Information
 Earth MOID = 1.20928 au 
 Jupiter MOID = 2.4247 au 
 T_jup = 3.493 
[ 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 17.4   n/a MPO454522  

212137 (2005 EF251)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2005 EF251 = 2003 UP377 = 2007 TW267 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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