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JPL Small-Body Database Browser
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379697 (2011 FB81)
Classification: Main-belt Asteroid          SPK-ID: 2379697
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624466822610376 8.2437e-08  
a 2.739431411941764 2.7108e-08 au
q 2.294419867790154 2.3102e-07 au
i 7.862779248146952 8.3944e-06 deg
node 10.58657055849128 4.7969e-05 deg
peri 339.3634696632444 5.0943e-05 deg
M 207.6469756556433 1.6502e-05 deg
tp 2459701.370293736645
(2022-May-01.87029374)
7.79e-05 TDB
period 1656.109596977213
4.53
2.4582e-05
6.73e-08
d
yr
n .2173769179630889 3.2266e-09 deg/d
Q 3.184442956093373 3.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      7059 days (19.33 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61829  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:07:49  

Additional Information
 Earth MOID = 1.29079 au 
 Jupiter MOID = 2.25234 au 
 T_jup = 3.318 
[ 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 16.0   n/a MPO427887  

379697 (2011 FB81)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 FB81 = 1999 RX21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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