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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130790207602508 6.9451e-08  
a 2.304720884743347 1.6535e-08 AU
q 2.044105303970871 1.6062e-07 AU
i 5.595019640507648 5.6703e-06 deg
node 129.8589354443278 7.0097e-05 deg
peri 235.1524404110992 7.6585e-05 deg
M 167.685558689902 3.4764e-05 deg
tp 2456405.223011801541
(2013-Apr-22.72301180)
0.00012011 JED
period 1277.985519001943
3.50
1.3753e-05
3.765e-08
d
yr
n .2816933327078274 3.0314e-09 deg/d
Q 2.565336465515824 1.8404e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      1995-08-27  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53626  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:45:35  

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 14.5 mag n/a MPO337458  

23657 (1997 CB28)          Discovered 1997-Feb-06 by Beijing Schmidt CCD Asteroid Program at Xinglong
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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