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 ]  
268921 (2007 CW44)
Classification: Main-belt Asteroid          SPK-ID: 2268921
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 .1679470887110646 8.4103e-08  
a 2.437909565027088 2.7189e-08 au
q 2.028469751039931 1.8796e-07 au
i 1.666126218579789 6.0057e-06 deg
node 231.6832168254686 0.0001372 deg
peri 4.02036796569229 0.00013963 deg
M 357.0955626103456 1.8491e-05 deg
tp 2458611.717196607687
(2019-May-08.21719661)
7.1284e-05 TDB
period 1390.352153278132
3.81
2.3259e-05
6.368e-08
d
yr
n .2589272071476297 4.3315e-09 deg/d
Q 2.847349379014245 3.1755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6051 days (16.57 yr)  
   first obs. used      2003-01-25  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:39:04  

Additional Information
 Earth MOID = 1.01686 au 
 Jupiter MOID = 2.15384 au 
 T_jup = 3.483 
[ 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 16.9   n/a MPO476137  

268921 (2007 CW44)          Discovered 2007-Feb-08 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 08:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin