Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
447139 (2005 CP23)
Classification: Main-belt Asteroid          SPK-ID: 2447139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .108411010795067 1.5615e-07  
a 2.459362504304294 3.6917e-08 au
q 2.192740529301178 3.9447e-07 au
i 6.182811083516459 1.0803e-05 deg
node 252.3313848070575 8.6578e-05 deg
peri 185.7100707250962 0.00014977 deg
M 293.2091384103561 0.00011918 deg
tp 2458861.864616856669
(2020-Jan-13.36461686)
0.00046862 TDB
period 1408.744547217967
3.86
3.172e-05
8.684e-08
d
yr
n .2555466856719618 5.754e-09 deg/d
Q 2.725984479307409 4.0919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      4459 days (12.21 yr)  
   first obs. used      2005-01-08  
   last obs. used      2017-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55917  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:42:29  

Additional Information
 Earth MOID = 1.20808 au 
 Jupiter MOID = 2.49613 au 
 T_jup = 3.475 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO373376  

447139 (2005 CP23)          Discovered 2005-Jan-08 by CINEOS at Campo Imperatore
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 CP23 = 2011 SD247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin