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JPL Small-Body Database Browser
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212128 (2005 EL218)
Classification: Main-belt Asteroid          SPK-ID: 2212128
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04970667575314455 4.8539e-08  
a 2.383908611348044 1.9756e-08 au
q 2.265412438978637 1.2037e-07 au
i 6.847920733766654 5.2862e-06 deg
node 194.2826213905113 3.8588e-05 deg
peri 289.593245456898 6.853e-05 deg
M 328.4765251329637 5.3282e-05 deg
tp 2458718.223838421525
(2019-Aug-22.72383842)
0.00019858 TDB
period 1344.41339384402
3.68
1.6712e-05
4.575e-08
d
yr
n .2677747794305058 3.3286e-09 deg/d
Q 2.50240478371745 2.0738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      5984 days (16.38 yr)  
   first obs. used      2002-06-02  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59737  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:51:49  

Additional Information
 Earth MOID = 1.29111 au 
 Jupiter MOID = 2.52113 au 
 T_jup = 3.525 
[ 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 16.6   n/a MPO454522  

212128 (2005 EL218)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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