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 ]  
351615 (2005 WU55)
Classification: Mars-crossing Asteroid          SPK-ID: 2351615
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2524391367884619 4.8483e-08  
a 2.20139831807928 1.5112e-08 au
q 1.645679226935774 1.0254e-07 au
i 3.972255222366737 7.3079e-06 deg
node 260.6171640053051 9.4267e-05 deg
peri 60.82296693929049 9.72e-05 deg
M 112.4995012211726 2.7256e-05 deg
tp 2458227.684063503384
(2018-Apr-19.18406350)
8.806e-05 TDB
period 1193.016286133742
3.27
1.2284e-05
3.363e-08
d
yr
n .301756148834034 3.1071e-09 deg/d
Q 2.757117409222785 1.8926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1998-06-26  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:40:52  

Additional Information
 Earth MOID = .636733 au 
 Jupiter MOID = 2.57497 au 
 T_jup = 3.619 
[ 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 16.9   n/a MPO460398  

351615 (2005 WU55)          Discovered 2005-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

Alternate Designations
 2005 WU55 = 2007 DX51 = 2008 SJ179 
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