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 ]  
392696 (2011 WS109)
Classification: Outer Main-belt Asteroid          SPK-ID: 2392696
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0371842983430575 1.4437e-07  
a 3.266905649253518 6.2341e-08 au
q 3.145428054933055 4.6211e-07 au
i 2.045878190879308 1.0694e-05 deg
node 217.7200027699934 0.00023879 deg
peri 172.4609869472553 0.00026772 deg
M 123.8598404927609 0.00012247 deg
tp 2457858.453142310971
(2017-Apr-14.95314231)
0.00072871 TDB
period 2156.76742118575
5.90
6.1735e-05
1.69e-07
d
yr
n .1669164678878907 4.7778e-09 deg/d
Q 3.388383243573981 6.4659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      7030 days (19.25 yr)  
   first obs. used      1999-11-13  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67603  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:35:57  

Additional Information
 Earth MOID = 2.14936 au 
 Jupiter MOID = 1.80938 au 
 T_jup = 3.175 
[ 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 16.6   n/a MPO434456  

392696 (2011 WS109)          Discovered 2005-Nov-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin