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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125947625345037 8.911e-08  
a 2.30565138992339 2.1081e-08 AU
q 2.046047119187617 2.0062e-07 AU
i 5.59436286145315 8.4133e-06 deg
node 129.8573214452799 7.4895e-05 deg
peri 235.2264081356026 8.3452e-05 deg
M 111.3128924519557 3.6749e-05 deg
tp 2456405.104375329652
(2013-Apr-22.60437533)
0.00012919 JED
period 1278.759555572255
3.50
1.7538e-05
4.802e-08
d
yr
n .2815228229820713 3.861e-09 deg/d
Q 2.565255660659162 2.3454e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      768  
   data-arc span      6779 days (18.56 yr)  
   first obs. used      1995-08-27  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:19:57  

Additional Information
 Earth MOID = 1.04793 AU 
 T_jup = 3.573 
[ 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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