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JPL Small-Body Database Browser
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212127 (2005 EF218)
Classification: Main-belt Asteroid          SPK-ID: 2212127
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145487526047668 6.3158e-08  
a 2.550105152985931 1.9229e-08 au
q 2.257993788700404 1.6637e-07 au
i 15.00529058875403 9.7562e-06 deg
node 19.02020083362418 1.5994e-05 deg
peri 117.8457656863099 5.201e-05 deg
M 216.5233857631574 4.4853e-05 deg
tp 2459193.308168078449
(2020-Dec-09.80816808)
0.0001852 TDB
period 1487.426655858742
4.07
1.6824e-05
4.606e-08
d
yr
n .2420287404303372 2.7375e-09 deg/d
Q 2.842216517271457 2.1432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      7262 days (19.88 yr)  
   first obs. used      1999-12-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:32  

Additional Information
 Earth MOID = 1.3084 au 
 Jupiter MOID = 2.22151 au 
 T_jup = 3.384 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO348568  

212127 (2005 EF218)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 EF218 = 2003 XB35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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