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212226 (2005 JL17)
Classification: Main-belt Asteroid          SPK-ID: 2212226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657508144033902 4.4531e-08  
a 2.622035146754751 1.7953e-08 au
q 2.187430685785839 1.1417e-07 au
i 12.90662903763294 4.6501e-06 deg
node 177.5775007705456 2.1076e-05 deg
peri 84.78816569020852 2.478e-05 deg
M 164.2845232001901 1.4576e-05 deg
tp 2458292.798133498775
(2018-Jun-23.29813350)
6.0647e-05 TDB
period 1550.801420472127
4.25
1.5927e-05
4.361e-08
d
yr
n .2321380385958128 2.3841e-09 deg/d
Q 3.056639607723664 2.0928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2002-10-30  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53976  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:52:17  

Additional Information
 Earth MOID = 1.21844 au 
 Jupiter MOID = 2.12454 au 
 T_jup = 3.349 
[ 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 16.3   n/a MPO454523  

212226 (2005 JL17)          Discovered 2005-May-04 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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