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 ]  
413671 (2005 WN31)
Classification: Main-belt Asteroid          SPK-ID: 2413671
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06606534140286743 1.162e-07  
a 2.794613037367095 4.6482e-08 au
q 2.609985972964533 3.4558e-07 au
i 3.011907226320965 1.1296e-05 deg
node 293.3517595061486 0.00025042 deg
peri 172.5716485271683 0.00029893 deg
M 284.677708659907 0.00016289 deg
tp 2458957.527747767981
(2020-Apr-18.02774777)
0.00077704 TDB
period 1706.400414933455
4.67
4.2573e-05
1.166e-07
d
yr
n .2109704128348088 5.2635e-09 deg/d
Q 2.979240101769656 4.9552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      6993 days (19.15 yr)  
   first obs. used      1997-01-03  
   last obs. used      2016-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56571  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 17:01:45  

Additional Information
 Earth MOID = 1.62705 au 
 Jupiter MOID = 2.10397 au 
 T_jup = 3.322 
[ 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 17.3   n/a MPO322075  

413671 (2005 WN31)          Discovered 2005-Nov-21 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin