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 ]  
413321 (2003 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2413321
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540302041443359 4.6437e-08  
a 2.404779749772172 2.563e-08 au
q 2.0343710339926 1.1798e-07 au
i 3.371569348440818 1.0993e-05 deg
node 253.8974166624478 0.00012707 deg
peri 61.71009166565685 0.00013349 deg
M 129.491277458891 4.0883e-05 deg
tp 2458110.552664002059
(2017-Dec-23.05266400)
0.00015362 TDB
period 1362.107505775852
3.73
2.1776e-05
5.962e-08
d
yr
n .2642963191036417 4.2253e-09 deg/d
Q 2.775188465551745 2.9578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5533 days (15.15 yr)  
   first obs. used      2003-10-20  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:12:38  

Additional Information
 Earth MOID = 1.02242 au 
 Jupiter MOID = 2.49398 au 
 T_jup = 3.505 
[ 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 17.7   n/a MPO411353  

413321 (2003 WK2)          Discovered 2003-Oct-20 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