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 ]  
181871 (1999 CO153)
Classification: TransNeptunian Object          SPK-ID: 2181871
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08189022298118871 0.00017774  
a 43.58210312370899 0.015965 au
q 40.0131549809193 0.007381 au
i .8108373882852015 0.00032713 deg
node 278.58987053464 0.016645 deg
peri 158.4563451749749 0.14601 deg
M 64.11141471849092 0.15444 deg
tp 2439885.339219426682
(1968-Jan-29.83921943)
34.887 TDB
period 105089.8332315725
287.72
57.745
0.1581
d
yr
n .003425640606039556 1.8823e-06 deg/d
Q 47.15105126649868 0.017272 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .24388  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:37:32  

Additional Information
 Earth MOID = 39.0285 au 
 Jupiter MOID = 34.9134 au 
 T_jup = 5.888 
[ 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 7.4   n/a MPC27615  

181871 (1999 CO153)          Discovered 1999-Feb-12 by Trujillo, C. A., Luu, J. X., Jewitt, D. C. at Mauna Kea
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | 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