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 ]  
134221 (2005 WB147)
Classification: Main-belt Asteroid          SPK-ID: 2134221
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09984869509530452 5.3784e-08  
a 2.407881945668009 1.5047e-08 au
q 2.167458075449515 1.3097e-07 au
i 8.471265868671058 6.1599e-06 deg
node 141.1696521053663 4.4511e-05 deg
peri 289.5350895909942 5.7862e-05 deg
M 317.1728397247741 3.7743e-05 deg
tp 2459162.855868210069
(2020-Nov-09.35586821)
0.00014359 TDB
period 1364.744059144056
3.74
1.2793e-05
3.503e-08
d
yr
n .2637857242080877 2.4726e-09 deg/d
Q 2.648305815886503 1.655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      7518 days (20.58 yr)  
   first obs. used      1999-01-20  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60653  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:26:50  

Additional Information
 Earth MOID = 1.19938 au 
 Jupiter MOID = 2.57014 au 
 T_jup = 3.500 
[ 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 16.1   n/a MPO280683  

134221 (2005 WB147)          Discovered 2005-Nov-25 by CSS at Catalina
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 2005 WB147 = 2002 AL18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-29 10:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin