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21342 (1997 CS28)
Classification: Main-belt Asteroid          SPK-ID: 2021342
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07309461273823985 1.0759e-07  
a 2.609414349565375 2.93e-08 AU
q 2.418680218210288 2.6558e-07 AU
i 3.671954766391802 6.2835e-06 deg
node 80.45531234978191 0.00013681 deg
peri 292.4387302396539 0.00014424 deg
M 208.0471053847801 4.7294e-05 deg
tp 2457650.359501562897
(2016-Sep-18.85950156)
0.00020594 JED
period 1539.618058313778
4.22
2.5932e-05
7.1e-08
d
yr
n .2338242254668535 3.9383e-09 deg/d
Q 2.800148480920462 3.1442e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      6345 days (17.37 yr)  
   first obs. used      1997-02-03  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51553  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:04:16  

Additional Information
 Earth MOID = 1.42186 AU 
 T_jup = 3.404 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO299115  

21342 (1997 CS28)          Discovered 1997-Feb-04 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 CS28 = 1998 KY36 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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