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 ]  
312925 (2011 WX39)
Classification: Main-belt Asteroid          SPK-ID: 2312925
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06073154988287828 4.2187e-08  
a 2.69470784301822 3.3686e-08 au
q 2.531054059230176 1.2566e-07 au
i 16.55534453984412 5.6232e-06 deg
node 91.47891779569868 2.1417e-05 deg
peri 209.4164627715433 7.9016e-05 deg
M 338.0724008895446 7.0225e-05 deg
tp 2458698.913468481261
(2019-Aug-03.41346848)
0.00031432 TDB
period 1615.719462709492
4.42
3.0296e-05
8.295e-08
d
yr
n .2228109571672148 4.1779e-09 deg/d
Q 2.858361626806264 3.5731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1992-04-27  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:34  

Additional Information
 Earth MOID = 1.52321 au 
 Jupiter MOID = 2.28992 au 
 T_jup = 3.308 
[ 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 16.1   n/a MPO437380  

312925 (2011 WX39)          Discovered 2005-May-09 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 WX39 = 2005 JS99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 16:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin