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 ]  
423071 (2003 WN166)
Classification: Main-belt Asteroid          SPK-ID: 2423071
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153067158513529 1.8378e-07  
a 2.319063784708305 2.06e-08 au
q 1.819753777372951 4.3743e-07 au
i 4.78815744890568 7.2976e-06 deg
node 136.6315388223427 8.2604e-05 deg
peri 267.6578968760714 0.00010875 deg
M 252.4201417237836 5.7499e-05 deg
tp 2459385.974749339676
(2021-Jun-20.47474934)
0.00020966 TDB
period 1289.933933599191
3.53
1.7187e-05
4.706e-08
d
yr
n .2790840605266685 3.7186e-09 deg/d
Q 2.818373792043659 2.5035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      5632 days (15.42 yr)  
   first obs. used      2003-10-27  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59431  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:16:07  

Additional Information
 Earth MOID = .83635 au 
 Jupiter MOID = 2.59426 au 
 T_jup = 3.543 
[ 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 17.9   n/a MPO335076  
diameter diameter 1.807 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423071 (2003 WN166)          Discovered 2003-Nov-18 by CSS at Catalina
Reference: Last Updated: 2015-02-04

Alternate Designations
 2003 WN166 = 2008 CT139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 16:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin