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JPL Small-Body Database Browser
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212103 (2005 EP154)
Classification: Main-belt Asteroid          SPK-ID: 2212103
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07234344592105196 7.9385e-08  
a 2.563117852976376 2.2719e-08 au
q 2.377693075190297 2.127e-07 au
i 14.83976535843212 1.1831e-05 deg
node 11.69237739175478 1.6236e-05 deg
peri 57.59113167182375 0.00012788 deg
M 270.6986564139206 0.00012091 deg
tp 2458972.297771796700
(2020-May-02.79777180)
0.00050436 TDB
period 1498.826249101102
4.10
1.9928e-05
5.456e-08
d
yr
n .2401879472126302 3.1935e-09 deg/d
Q 2.748542630762456 2.4363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      1999-12-13  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:13  

Additional Information
 Earth MOID = 1.41753 au 
 Jupiter MOID = 2.47032 au 
 T_jup = 3.383 
[ 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 15.9   n/a MPO352305  

212103 (2005 EP154)          Discovered 2005-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
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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