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 ]  
312918 (2011 WV1)
Classification: Main-belt Asteroid          SPK-ID: 2312918
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 .07860544727091806 5.7984e-08  
a 2.6396035799981 4.3069e-08 au
q 2.432116359974433 1.5411e-07 au
i 14.9050998222954 1.1081e-05 deg
node 75.72276211053806 2.9386e-05 deg
peri 230.5371418235213 0.00010923 deg
M 20.88805053307044 0.00010085 deg
tp 2458509.612972756020
(2019-Jan-26.11297276)
0.00044008 TDB
period 1566.413761592099
4.29
3.8338e-05
1.05e-07
d
yr
n .2298243343023857 5.6249e-09 deg/d
Q 2.847090800021767 4.6455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-12-22  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61811  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:13:33  

Additional Information
 Earth MOID = 1.44048 au 
 Jupiter MOID = 2.31659 au 
 T_jup = 3.344 
[ 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 15.9   n/a MPO440463  

312918 (2011 WV1)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 WV1 = 1998 YL31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 08:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin