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
JPL Small-Body Database Browser
Search: [ help ]  
312920 (2011 WD14)
Classification: Main-belt Asteroid          SPK-ID: 2312920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383630070249643 7.0281e-08  
a 2.619106554374522 2.4571e-08 au
q 1.994808440355018 1.9844e-07 au
i 4.533217670344059 4.3769e-06 deg
node 80.53832046362275 6.3865e-05 deg
peri 290.9626297631795 6.5637e-05 deg
M 35.68949540747072 1.0389e-05 deg
tp 2458847.014948251296
(2019-Dec-29.51494825)
4.4241e-05 TDB
period 1548.203974269895
4.24
2.1786e-05
5.965e-08
d
yr
n .2325275002408966 3.2721e-09 deg/d
Q 3.243404668394026 3.0427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:48:54  

Additional Information
 Earth MOID = 1.0005 au 
 Jupiter MOID = 2.22996 au 
 T_jup = 3.360 
[ 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 17.1   n/a MPO494659  

312920 (2011 WD14)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 WD14 = 1998 SL95 = 2007 XD47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 21:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin