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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022829507515846 5.4346e-08  
a 2.438441788985259 1.8963e-08 au
q 2.189030767571874 1.3064e-07 au
i 3.4435868090456 7.5106e-06 deg
node 196.027453701288 9.8975e-05 deg
peri 268.3821201676071 0.00010603 deg
M 304.7299880328038 4.1453e-05 deg
tp 2458814.027626902720
(2019-Nov-26.52762690)
0.00016107 TDB
period 1390.807473148424
3.81
1.6224e-05
4.442e-08
d
yr
n .2588424400575403 3.0195e-09 deg/d
Q 2.687852810398645 2.0903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5911 days (16.18 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56376  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:51:43  

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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