Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
46636 (1994 WD3)
Classification: Main-belt Asteroid          SPK-ID: 2046636
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683390454713745 8.4809e-08  
a 2.630885740042384 2.5115e-08 au
q 2.188004945819399 2.3007e-07 au
i 13.58368701680462 9.3018e-06 deg
node 72.69409229687709 2.7734e-05 deg
peri 317.7991956387754 3.4406e-05 deg
M 6.206664005718806 1.8401e-05 deg
tp 2457373.627557497752
(2015-Dec-17.12755750)
7.9609e-05 JED
period 1558.660061491281
4.27
2.2319e-05
6.111e-08
d
yr
n .2309676169257601 3.3072e-09 deg/d
Q 3.07376653426537 2.9342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7676 days (21.02 yr)  
   first obs. used      1994-11-27  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59376  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:56:01  

Additional Information
 Earth MOID = 1.21345 au 
 Jupiter MOID = 2.38136 au 
 T_jup = 3.340 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO347847  

46636 (1994 WD3)          Discovered 1994-Nov-28 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 WD3 = 2001 KX20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-12 01:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin