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 ]  
(2008 WP)
Classification: Mars-crossing Asteroid          SPK-ID: 3439554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454789.5 (2008-Nov-19.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5248852023234682 0.027316  
a 2.809145993156141 0.22691 au
q 1.33466683018222 0.03758 au
i 28.6717734952243 1.1361 deg
node 321.1185459083637 3.3452 deg
peri 67.00941552441883 6.8926 deg
M 7.618400189943385 1.5711 deg
tp 2454753.106722096375
(2008-Oct-13.60672210)
4.267 TDB
period 1719.728514997105
4.71
208.37
0.5705
d
yr
n .2093353671004322 0.025363 deg/d
Q 4.283625156130062 0.34601 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      2 days  
   first obs. used      2008-11-18  
   last obs. used      2008-11-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .3699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:18:11  

Additional Information
 Earth MOID = .516874 au 
 Jupiter MOID = 2.2236 au 
 T_jup = 2.950 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.19   .23607 4 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-19 03:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin