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214221 (2005 ET100)
Classification: Main-belt Asteroid          SPK-ID: 2214221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007513238321077 4.8942e-08  
a 2.467045739997086 1.7841e-08 au
q 2.218487615738018 1.1809e-07 au
i 11.11339636742853 8.2532e-06 deg
node 45.9664873552378 2.5537e-05 deg
peri 66.33197134270377 4.7944e-05 deg
M 29.48875912190549 4.0866e-05 deg
tp 2458884.564022948414
(2020-Feb-05.06402295)
0.00016034 TDB
period 1415.351238281397
3.88
1.5353e-05
4.203e-08
d
yr
n .2543538241695631 2.7591e-09 deg/d
Q 2.715603864256155 1.9638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      5948 days (16.28 yr)  
   first obs. used      2003-10-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:07:52  

Additional Information
 Earth MOID = 1.26103 au 
 Jupiter MOID = 2.4367 au 
 T_jup = 3.454 
[ 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 16.4   n/a MPO454538  

214221 (2005 ET100)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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