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 ]  
305730 (2009 CW38)
Classification: Main-belt Asteroid          SPK-ID: 2305730
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543619432120479 5.4156e-08  
a 2.381320734262496 2.1579e-08 au
q 2.013735438310596 1.3368e-07 au
i 1.57970282552406 6.4002e-06 deg
node 282.3704431534214 0.00020138 deg
peri 190.7765680003859 0.00020235 deg
M 307.3850194285177 2.162e-05 deg
tp 2458796.669814124506
(2019-Nov-09.16981412)
8.1968e-05 TDB
period 1342.224824902803
3.67
1.8245e-05
4.995e-08
d
yr
n .2682114004455769 3.6457e-09 deg/d
Q 2.748906030214396 2.491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6005 days (16.44 yr)  
   first obs. used      2002-04-06  
   last obs. used      2018-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .437  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:25  

Additional Information
 Earth MOID = 1.03055 au 
 Jupiter MOID = 2.35165 au 
 T_jup = 3.521 
[ 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 17.2   n/a MPO455252  

305730 (2009 CW38)          Discovered 2009-Feb-13 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 CW38 = 2004 XR129 
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