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351768 (2006 EA21)
Classification: Main-belt Asteroid          SPK-ID: 2351768
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069876919157256 7.0185e-08  
a 2.342650689604787 2.1863e-08 au
q 1.857750830398709 1.6547e-07 au
i 8.357636794719415 1.0025e-05 deg
node 345.1680640990198 4.2102e-05 deg
peri 61.39977241501887 5.23e-05 deg
M 328.9704397513408 2.3667e-05 deg
tp 2458713.384119856020
(2019-Aug-17.88411986)
8.6197e-05 TDB
period 1309.663521574497
3.59
1.8334e-05
5.02e-08
d
yr
n .2748797642063074 3.848e-09 deg/d
Q 2.827550548810864 2.6388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:11:55  

Additional Information
 Earth MOID = .882505 au 
 Jupiter MOID = 2.63157 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457017.5 (2014-Dec-26.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2063831831051628 7.0506e-08  
q 1.859628049318794 1.6629e-07 au
tp 2457401.255270211261
(2016-Jan-13.75527021)
8.7676e-05 TDB
node 345.2756487578346 4.199e-05 deg
peri 60.85872654732445 5.2329e-05 deg
i 8.368202580845161 1.0035e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:11:55  

Additional Information
 Jupiter MOID = 2.63157 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.971122612492212E-15 -1.166105587116459E-14 -3.532048352181141E-12 1.176134774286222E-13 -1.185804744644654E-12 -1.921077346698261E-15
q -1.166105587116459E-14 2.76538248893037E-14 8.089475094719425E-12 -2.793830411699224E-13 2.694554333040049E-12 2.652653676429451E-15
tp -3.532048352181141E-12 8.089475094719425E-12 7.68714747059615E-9 -1.788592520482183E-10 2.766563296545502E-9 -6.619636107755356E-12
node 1.176134774286222E-13 -2.793830411699224E-13 -1.788592520482183E-10 1.763186264947697E-9 -1.800459254431675E-9 1.773958551729471E-10
peri -1.185804744644654E-12 2.694554333040049E-12 2.766563296545502E-9 -1.800459254431675E-9 2.738347675887096E-9 -1.774457483510253E-10
i -1.921077346698261E-15 2.652653676429451E-15 -6.619636107755356E-12 1.773958551729471E-10 -1.774457483510253E-10 1.006913062196228E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO348981  

351768 (2006 EA21)          Discovered 2006-Mar-03 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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