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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06623215181013663 9.262e-08  
a 2.787102908673825 4.0501e-08 au
q 2.602507085716067 2.6394e-07 au
i 13.54613441908761 8.6535e-06 deg
node 37.78090655368103 3.9012e-05 deg
peri 156.6249259609329 7.6663e-05 deg
M 354.3961318777028 6.4709e-05 deg
tp 2459026.955339503914
(2020-Jun-26.45533950)		 0.0003055 TDB
period 1699.526472351205
4.65		 3.7046e-05
1.014e-07		 d
yr
n .2118237084603684 4.6172e-09 deg/d
Q 2.971698731631583 4.3184e-08 au
   Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      7400 days (20.26 yr)  
   first obs. used      1999-10-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:12:47  

Additional Information
 Earth MOID = 1.60378 au 
 Jupiter MOID = 1.99435 au 
 T_jup = 3.287 
[ 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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