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 ]  
160997 (2002 CO254)
Classification: Main-belt Asteroid          SPK-ID: 2160997
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104249695592492 1.6473e-07  
a 2.97382995173528 3.9358e-08 au
q 2.645444869840528 4.9602e-07 au
i 11.52181985214738 9.3167e-06 deg
node 319.8061699904692 4.2096e-05 deg
peri 48.75512458463976 6.6443e-05 deg
M 252.9939395661799 4.4833e-05 deg
tp 2459157.273425211180
(2020-Nov-03.77342521)
0.00023769 TDB
period 1873.150289464116
5.13
3.7186e-05
1.018e-07
d
yr
n .192189597399038 3.8154e-09 deg/d
Q 3.302215033630032 4.3704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2000-11-19  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59351  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:34:02  

Additional Information
 Earth MOID = 1.65771 au 
 Jupiter MOID = 2.17754 au 
 T_jup = 3.222 
[ 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 15.4   n/a MPO436811  
diameter diameter 2.690 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160997 (2002 CO254)          Discovered 2002-Feb-05 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2002 CO254 = 2002 CF313 = 2005 UD274 
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