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 ]  
487561 (2014 WM143)
Classification: Main-belt Asteroid          SPK-ID: 2487561
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620831033252869 1.1176e-07  
a 3.088427874612749 7.7026e-08 au
q 2.587845900299194 3.1985e-07 au
i 18.87712517887533 8.1037e-06 deg
node 65.57646154508268 2.1821e-05 deg
peri 178.1858090880292 3.0934e-05 deg
M 185.4281059971682 2.5067e-05 deg
tp 2459961.838742922162
(2023-Jan-17.33874292)
0.00014819 TDB
period 1982.460861920673
5.43
7.4165e-05
2.031e-07
d
yr
n .181592487859367 6.7934e-09 deg/d
Q 3.589009848926303 8.9511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5054 days (13.84 yr)  
   first obs. used      2006-01-06  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:44:30  

Additional Information
 Earth MOID = 1.57478 au 
 Jupiter MOID = 1.44284 au 
 T_jup = 3.123 
[ 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 15.7   n/a MPO413572  

487561 (2014 WM143)          Discovered 2011-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ 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 2020-Aug-04 00:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin