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212100 (2005 EX151)
Classification: Main-belt Asteroid          SPK-ID: 2212100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07834036619885552 4.0029e-08  
a 2.553734308800596 1.7614e-08 au
q 2.353673827874576 9.6745e-08 au
i 4.055615875274272 5.0093e-06 deg
node 55.67448313799718 6.0004e-05 deg
peri 282.4994629344304 6.8823e-05 deg
M 119.2407716328894 3.3764e-05 deg
tp 2458506.775963874298
(2019-Jan-23.27596387)
0.0001391 TDB
period 1490.603009115616
4.08
1.5422e-05
4.222e-08
d
yr
n .2415129969538907 2.4987e-09 deg/d
Q 2.753794789726616 1.8994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:41:53  

Additional Information
 Earth MOID = 1.34866 au 
 Jupiter MOID = 2.51641 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07959761956514996 4.0338e-08  
q 2.34959103616837 9.7698e-08 au
tp 2457012.939282531220
(2014-Dec-21.43928253)
0.00013466 TDB
node 55.69860902341907 6.0059e-05 deg
peri 281.6462818828965 6.849e-05 deg
i 4.055559460049348 5.0056e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53099  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:41:53  

Additional Information
 Jupiter MOID = 2.51641 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.627144632208897E-15 -3.895517841201562E-15 -6.234073947038697E-13 1.837759743977624E-14 -1.882871582672322E-13 -3.334162691089365E-16
q -3.895517841201562E-15 9.544905423447922E-15 1.643925417744392E-12 -4.512031660495064E-14 4.966787876543079E-13 1.009562286912811E-15
tp -6.234073947038697E-13 1.643925417744392E-12 1.813366062453146E-8 -5.287329375327456E-12 4.448044074773052E-9 5.838666444601996E-12
node 1.837759743977624E-14 -4.512031660495064E-14 -5.287329375327456E-12 3.607095249557345E-9 -3.599218622737071E-9 4.848297164370538E-11
peri -1.882871582672322E-13 4.966787876543079E-13 4.448044074773052E-9 -3.599218622737071E-9 4.690881219419736E-9 -4.692645283157864E-11
i -3.334162691089365E-16 1.009562286912811E-15 5.838666444601996E-12 4.848297164370538E-11 -4.692645283157864E-11 2.505624328040247E-11

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 MPO454522  

212100 (2005 EX151)          Discovered 2005-Mar-10 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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