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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130790088757664 7.4307e-08  
a 2.304720881414743 1.8056e-08 AU
q 2.044105328409081 1.696e-07 AU
i 5.595020642074983 7.0946e-06 deg
node 129.8589356878182 7.0212e-05 deg
peri 235.1524446306757 7.7403e-05 deg
M 167.6855565570053 3.5112e-05 deg
tp 2456405.223020662836
(2013-Apr-22.72302066)
0.00012181 JED
period 1277.985516233339
3.50
1.5018e-05
4.112e-08
d
yr
n .2816933333180828 3.3103e-09 deg/d
Q 2.565336434420405 2.0098e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      1995-08-27  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5477  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:15:19  

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
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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