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 ]  
190631 (2000 WT129)
Classification: Main-belt Asteroid          SPK-ID: 2190631
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271901762357072 4.4463e-08  
a 2.645224146278242 1.6517e-08 au
q 2.308777620930165 1.1776e-07 au
i 1.274503190293283 6.071e-06 deg
node 353.1431150959245 0.00020133 deg
peri 72.99740025832058 0.0002027 deg
M 233.7153100154475 2.3987e-05 deg
tp 2459751.739520323376
(2022-Jun-21.23952032)		 0.00010662 TDB
period 1571.419523147975
4.30		 1.4718e-05
4.03e-08		 d
yr
n .229092228203213 2.1457e-09 deg/d
Q 2.98167067162632 1.8618e-08 au
   Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-05-20  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:29  

Additional Information
 Earth MOID = 1.32226 au 
 Jupiter MOID = 2.29459 au 
 T_jup = 3.381 
[ 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 16.16   n/a E2021B55  
diameter diameter 2.308 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190631 (2000 WT129)          Discovered 2000-Nov-19 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2000 WT129 = 2002 EV6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 18:44 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin