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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0730712498892931 1.1561e-07  
a 2.60945307364349 3.1324e-08 AU
q 2.418777076024902 2.857e-07 AU
i 3.671949645351011 6.9651e-06 deg
node 80.45619601522998 0.0001452 deg
peri 292.5211015258625 0.00015355 deg
M 161.1867921377852 5.1383e-05 deg
tp 2456111.134388368172
(2012-Jul-02.63438837)
0.00021651 JED
period 1539.652330665634
4.22
2.7723e-05
7.59e-08
d
yr
n .2338190205865256 4.2102e-09 deg/d
Q 2.800129071262077 3.3613e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      6270 days (17.17 yr)  
   first obs. used      1997-02-03  
   last obs. used      2014-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51875  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:16:38  

Additional Information
 Earth MOID = 1.4206 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 14.6 mag n/a MPO257019  

21342 (1997 CS28)          Discovered 1997-Feb-04 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
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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