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 ]  
379684 (2011 FB31)
Classification: Main-belt Asteroid          SPK-ID: 2379684
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .066501750874122 9.3509e-08  
a 2.788059382545401 4.8849e-08 au
q 2.602648552065109 2.6426e-07 au
i 13.54573151059462 1.0169e-05 deg
node 37.79091421494196 4.0899e-05 deg
peri 156.4231600052124 8.6091e-05 deg
M 269.8884204268671 7.8049e-05 deg
tp 2459026.127380177053
(2020-Jun-25.62738018)		 0.00037226 TDB
period 1700.401408893114
4.66		 4.4689e-05
1.224e-07		 d
yr
n .2117147151944223 5.5641e-09 deg/d
Q 2.973470213025694 5.2098e-08 au
   Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      6983 days (19.12 yr)  
   first obs. used      1999-10-30  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:01:07  

Additional Information
 Earth MOID = 1.60433 au 
 Jupiter MOID = 1.99371 au 
 T_jup = 3.286 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO353303  

379684 (2011 FB31)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 FB31 = 1999 UL19 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 08:39 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin