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23657 (1997 CB28)
Classification: Main-belt Asteroid          SPK-ID: 2023657
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113078952207514 8.0313e-08  
a 2.304720865411756 1.9974e-08 AU
q 2.0441054448202 1.8125e-07 AU
i 5.595022909614168 7.9277e-06 deg
node 129.8589384933971 7.1273e-05 deg
peri 235.1524636340949 7.9259e-05 deg
M 167.685545936628 3.5718e-05 deg
tp 2456405.223064564767
(2013-Apr-22.72306456)
0.00012447 JED
period 1277.985502922669
3.50
1.6614e-05
4.549e-08
d
yr
n .2816933362520182 3.662e-09 deg/d
Q 2.565336286003312 2.2233e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      1995-08-27  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54967  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:05:26  

Additional Information
 Earth MOID = 1.04747 AU 
 T_jup = 3.574 
[ 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 14.4 mag n/a MPO240393  

23657 (1997 CB28)          Discovered 1997-Feb-06 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 CB28 = 2000 AN73 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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