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 ]  
305209 (2007 WC26)
Classification: Main-belt Asteroid          SPK-ID: 2305209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08057061794753503 9.7744e-08  
a 2.629861279573563 6.1719e-08 au
q 2.417971731162026 2.4224e-07 au
i 3.996511446515445 1.0617e-05 deg
node 97.65683431483423 0.00018381 deg
peri 357.7047365968132 0.00026453 deg
M 209.9377822472638 0.00016653 deg
tp 2459249.831614066531
(2021-Feb-04.33161407)
0.00070823 TDB
period 1557.749742504314
4.26
5.4837e-05
1.501e-07
d
yr
n .2311025899585427 8.1354e-09 deg/d
Q 2.8417508279851 6.6691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4326 days (11.84 yr)  
   first obs. used      2005-04-14  
   last obs. used      2017-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55093  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:25:40  

Additional Information
 Earth MOID = 1.43484 au 
 Jupiter MOID = 2.27752 au 
 T_jup = 3.392 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO254608  

305209 (2007 WC26)          Discovered 2007-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin