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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125947116820203 8.2632e-08  
a 2.30565137029343 2.0923e-08 AU
q 2.046047219015986 1.8546e-07 AU
i 5.594363272597556 8.1703e-06 deg
node 129.8573467500237 7.1853e-05 deg
peri 235.2263780032997 8.0471e-05 deg
M 111.3129022955614 3.6011e-05 deg
tp 2456405.104345413590
(2013-Apr-22.60434541)
0.00012671 JED
period 1278.759539241513
3.50
1.7406e-05
4.766e-08
d
yr
n .281522826577334 3.8321e-09 deg/d
Q 2.565255521570874 2.3279e-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      .55109  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:35:45  

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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