Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133363387396254 6.9162e-08  
a 2.304807148478259 1.6413e-08 au
q 2.043588744768817 1.6008e-07 au
i 5.594824909798798 5.6189e-06 deg
node 129.8584048198101 6.9975e-05 deg
peri 235.0238955407365 7.6446e-05 deg
M 336.8642823782395 3.5703e-05 deg
tp 2457682.635478098617
(2016-Oct-21.13547810)
0.00012726 JED
period 1278.057270533553
3.50
1.3652e-05
3.738e-08
d
yr
n .281677518136343 3.0088e-09 deg/d
Q 2.566025552187701 1.8273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7286 days (19.95 yr)  
   first obs. used      1995-08-27  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53539  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:02:23  

Additional Information
 Earth MOID = 1.04569 au 
 Jupiter MOID = 2.86392 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  
rotation period rot_per 4.0733 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-03 01:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin