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 ]  
312489 (2008 WR108)
Classification: Inner Main-belt Asteroid          SPK-ID: 2312489
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07151743377836471 8.2502e-08  
a 1.902393518273446 1.7448e-08 au
q 1.766339215809935 1.5653e-07 au
i 20.32702238799583 1.4416e-05 deg
node 255.3608870493193 2.3388e-05 deg
peri 299.4412326422404 9.8663e-05 deg
M 219.1336567821885 9.243e-05 deg
tp 2458975.519372896300
(2020-May-06.01937290)		 0.00024679 TDB
period 958.404762689951
2.62		 1.3185e-05
3.61e-08		 d
yr
n .3756241767722328 5.1677e-09 deg/d
Q 2.038447820736958 1.8696e-08 au
   Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5968 days (16.34 yr)  
   first obs. used      2002-07-09  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:43:48  

Additional Information
 Earth MOID = .799115 au 
 Jupiter MOID = 3.03798 au 
 T_jup = 3.866 
[ 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 17.0   n/a MPO450244  

312489 (2008 WR108)          Discovered 2008-Nov-30 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 03:58 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin