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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07300582272719407 6.6902e-08  
a 2.610345277289105 2.1348e-08 au
q 2.419774872718568 1.7341e-07 au
i 3.671434156842081 6.2272e-06 deg
node 80.45076236960421 0.00010984 deg
peri 292.135886695317 0.00011887 deg
M 348.5980612672128 4.7158e-05 deg
tp 2457649.288960349096
(2016-Sep-17.78896035)
0.00020197 JED
period 1540.442036858862
4.22
1.8897e-05
5.174e-08
d
yr
n .2336991534806991 2.8668e-09 deg/d
Q 2.800915681859641 2.2906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      1997-02-03  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50987  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:56:56  

Additional Information
 Earth MOID = 1.42168 au 
 Jupiter MOID = 2.5388 au 
 T_jup = 3.403 
[ 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 14.8 mag n/a MPO344470  

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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