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 ]  
437208 (2012 WD11)
Classification: Main-belt Asteroid          SPK-ID: 2437208
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948501389759171 5.0356e-08  
a 2.556438153126897 3.8823e-08 au
q 2.058315823706784 1.4777e-07 au
i 2.703432754523088 5.6593e-06 deg
node 121.7551800255407 0.0002192 deg
peri 203.2076393875591 0.00022174 deg
M 277.6434897530647 3.6015e-05 deg
tp 2458942.044107830590
(2020-Apr-02.54410783)
0.00015202 TDB
period 1492.970967933746
4.09
3.4009e-05
9.311e-08
d
yr
n .2411299400538483 5.4928e-09 deg/d
Q 3.05456048254701 4.6387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      4962 days (13.59 yr)  
   first obs. used      2005-12-01  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57937  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:25  

Additional Information
 Earth MOID = 1.04573 au 
 Jupiter MOID = 2.2763 au 
 T_jup = 3.409 
[ 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 17.2   n/a MPO437695  

437208 (2012 WD11)          Discovered 2008-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 WD11 = 2008 UN289 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 08:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin