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 ]  
523869 (1995 WD11)
Classification: Main-belt Asteroid          SPK-ID: 2523869
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764233124093576 4.0016e-07  
a 2.45475039369936 2.7395e-08 au
q 2.021675198104744 9.6808e-07 au
i 5.459611470836529 2.0428e-05 deg
node 232.7371822797018 0.00010699 deg
peri 119.4280105025582 0.0003489 deg
M 79.52061565271424 0.00022724 deg
tp 2458290.196504841495
(2018-Jun-20.69650484)
0.00088933 TDB
period 1404.783619192829
3.85
2.3516e-05
6.438e-08
d
yr
n .2562672251309789 4.29e-09 deg/d
Q 2.887825589293976 3.2228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      8448 days (23.13 yr)  
   first obs. used      1995-11-16  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:42  

Additional Information
 Earth MOID = 1.02244 au 
 Jupiter MOID = 2.57581 au 
 T_jup = 3.466 
[ 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 18.3   .37832 E2018W51 autocmod 2.6q

523869 (1995 WD11)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-27 12:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin