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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
136204 (2003 WL7)
Classification: Centaur          SPK-ID: 2136204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2552027422114268 8.2331e-06  
a 20.06990933110375 0.00025831 au
q 14.94801343387137 2.7461e-05 au
i 11.17059863447878 8.9012e-06 deg
node 4.700457968474639 8.7247e-05 deg
peri 70.43175332143987 0.00043061 deg
M 32.27407319518716 0.00046183 deg
tp 2455656.296521540440
(2011-Apr-04.79652154)
0.022923 TDB
period 32841.01284133855
89.91
0.63401
0.001736
d
yr
n .01096190308560919 2.1163e-07 deg/d
Q 25.19180522833613 0.00032423 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      4847 days (13.27 yr)  
   first obs. used      2001-10-11  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .49062  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 10:02:27  

Additional Information
 Earth MOID = 13.9806 au 
 Jupiter MOID = 10.0037 au 
 T_jup = 3.985 
[ 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 8.8   n/a MPO385591  
diameter diameter 118.000 km 32.800 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  
rotation period rot_per 8.24 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]
geometric albedo albedo 0.046   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)  

136204 (2003 WL7)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin