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
JPL Small-Body Database Browser
Search: [ help ]  
413923 (2006 WJ155)
Classification: Main-belt Asteroid          SPK-ID: 2413923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03760661764343274 7.3819e-08  
a 2.522934958657293 2.3847e-08 au
q 2.428055908327818 1.8336e-07 au
i 9.82772976410442 5.4946e-06 deg
node 60.22243921741509 4.0794e-05 deg
peri 170.5998002451702 0.0001031 deg
M 324.425918845954 9.4926e-05 deg
tp 2459145.140095333847
(2020-Oct-22.64009533)
0.00038544 TDB
period 1463.718320501514
4.01
2.0753e-05
5.682e-08
d
yr
n .2459489609152758 3.4872e-09 deg/d
Q 2.617814008986767 2.4744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4933 days (13.51 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:08:55  

Additional Information
 Earth MOID = 1.41695 au 
 Jupiter MOID = 2.36487 au 
 T_jup = 3.434 
[ 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 16.7   n/a MPO419034  

413923 (2006 WJ155)          Discovered 2006-Nov-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 09:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin