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JPL Small-Body Database Browser
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212154 (2005 EK325)
Classification: Main-belt Asteroid          SPK-ID: 2212154
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167921613465682 4.7462e-08  
a 2.665031684200292 2.496e-08 au
q 2.353776873745455 1.2859e-07 au
i .7189537831422144 5.4374e-06 deg
node 138.8719534221732 0.00044703 deg
peri 176.2995229886068 0.00044914 deg
M 341.9147732994695 3.7185e-05 deg
tp 2458680.331345335802
(2019-Jul-15.83134534)
0.00016363 TDB
period 1589.102796264412
4.35
2.2325e-05
6.112e-08
d
yr
n .2265429277742579 3.1826e-09 deg/d
Q 2.976286494655129 2.7875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6224 days (17.04 yr)  
   first obs. used      2002-10-08  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:44:01  

Additional Information
 Earth MOID = 1.33916 au 
 Jupiter MOID = 2.26978 au 
 T_jup = 3.374 
[ 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 16.9   n/a MPO446188  

212154 (2005 EK325)          Discovered 2005-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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