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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07081841589712591 3.9951e-08  
a 2.609682118160026 1.0301e-08 au
q 2.424868564556877 1.0692e-07 au
i 3.670030637445441 3.1636e-06 deg
node 80.43234318228309 6.1457e-05 deg
peri 292.0338722490116 6.5222e-05 deg
M 2.560476974870264 2.1285e-05 deg
tp 2459189.547879448346
(2020-Dec-06.04787945)		 9.1053e-05 TDB
period 1539.855049387955
4.22		 9.1169e-06
2.496e-08		 d
yr
n .2337882387975992 1.3842e-09 deg/d
Q 2.794495671763175 1.103e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1412  
   data-arc span      8775 days (24.02 yr)  
   first obs. used      1997-02-03  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47318  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:43:43  

Additional Information
 Earth MOID = 1.42643 au 
 Jupiter MOID = 2.53169 au 
 T_jup = 3.404 
[ 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 14.82   n/a E2021B10  
diameter diameter 3.446 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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