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 ]  
469897 (2005 WF40)
Classification: Main-belt Asteroid          SPK-ID: 2469897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248906265464765 8.2829e-08  
a 2.700288704444121 2.8052e-08 au
q 2.363047956289722 2.254e-07 au
i 12.29519934650946 8.9476e-06 deg
node 74.14376339234394 4.3066e-05 deg
peri 94.51929939451854 6.5227e-05 deg
M 16.92138051468269 4.2101e-05 deg
tp 2458924.318938927800
(2020-Mar-15.81893893)
0.00018976 TDB
period 1620.741402404791
4.44
2.5256e-05
6.915e-08
d
yr
n .2221205674550218 3.4613e-09 deg/d
Q 3.037529452598521 3.1556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5268 days (14.42 yr)  
   first obs. used      2005-11-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:48:47  

Additional Information
 Earth MOID = 1.40716 au 
 Jupiter MOID = 2.05398 au 
 T_jup = 3.324 
[ 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 17.0   n/a MPO472616  

469897 (2005 WF40)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 WF40 = 2007 HS69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-25 05:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin