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JPL Small-Body Database Browser
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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 ]
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