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JPL Small-Body Database Browser
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212126 (2005 EJ217)
Classification: Main-belt Asteroid          SPK-ID: 2212126
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368880209360931 5.5038e-08  
a 2.432868279293229 2.8256e-08 au
q 2.099837755342581 1.3967e-07 au
i 10.22517589972671 6.2537e-06 deg
node 177.1302048240601 3.9398e-05 deg
peri 57.35076957328666 4.8132e-05 deg
M 219.9704232528806 3.214e-05 deg
tp 2459139.630120677601
(2020-Oct-17.13012068)
0.00012949 TDB
period 1386.041777405637
3.79
2.4147e-05
6.611e-08
d
yr
n .2597324307740855 4.5249e-09 deg/d
Q 2.765898803243878 3.2124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5921 days (16.21 yr)  
   first obs. used      2002-08-17  
   last obs. used      2018-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64054  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:24:44  

Additional Information
 Earth MOID = 1.11006 au 
 Jupiter MOID = 2.25366 au 
 T_jup = 3.472 
[ 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 17.0   n/a MPO418135  

212126 (2005 EJ217)          Discovered 2005-Mar-09 by LONEOS at Anderson Mesa
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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