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 ]  
312511 (2009 CO20)
Classification: Main-belt Asteroid          SPK-ID: 2312511
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1927913403546299 5.8527e-08  
a 2.296306187204179 2.2907e-08 au
q 1.853598239508456 1.4129e-07 au
i 2.656503683086184 5.9695e-06 deg
node 178.6732586318778 0.00011938 deg
peri 173.8873923544281 0.00012049 deg
M 105.3545966469735 1.8647e-05 deg
tp 2458228.541824469722
(2018-Apr-20.04182447)
6.2517e-05 TDB
period 1270.992889276529
3.48
1.9018e-05
5.207e-08
d
yr
n .2832431267219112 4.2383e-09 deg/d
Q 2.739014134899903 2.7323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1995-02-03  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6448  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:39:05  

Additional Information
 Earth MOID = .84734 au 
 Jupiter MOID = 2.69271 au 
 T_jup = 3.568 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO413278  

312511 (2009 CO20)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2009 CO20 = 2004 XK62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 11:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin