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 ]  
213409 (2001 WW29)
Classification: Main-belt Asteroid          SPK-ID: 2213409
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588777135896361 7.3737e-08  
a 2.769164620187413 1.6743e-08 au
q 2.052289614759983 2.0046e-07 au
i 13.19286098556902 4.6189e-06 deg
node 84.24123606387911 2.7214e-05 deg
peri 262.9608264334908 2.821e-05 deg
M 104.890520472338 7.8221e-06 deg
tp 2458710.094504870704
(2019-Aug-14.59450487)
3.5974e-05 TDB
period 1683.145220860122
4.61
1.5265e-05
4.179e-08
d
yr
n .2138852878161235 1.9398e-09 deg/d
Q 3.486039625614844 2.1078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      7025 days (19.23 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:35  

Additional Information
 Earth MOID = 1.09317 au 
 Jupiter MOID = 2.12153 au 
 T_jup = 3.251 
[ 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 15.41   n/a MPCxxxxx  
diameter diameter 4.942 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213409 (2001 WW29)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 2001 WW29 = 2005 NT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-14 14:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin