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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620498322924238 8.2414e-08  
a 2.740381785623108 2.7148e-08 au
q 2.296303376845671 2.3106e-07 au
i 7.861032311589071 8.3921e-06 deg
node 10.59519439195675 4.7979e-05 deg
peri 339.3909680252638 5.0969e-05 deg
M 120.6813397490449 1.6445e-05 deg
tp 2458045.040169433410
(2017-Oct-18.54016943)
7.5763e-05 TDB
period 1656.971487222447
4.54
2.4622e-05
6.741e-08
d
yr
n .2172638471911559 3.2285e-09 deg/d
Q 3.184460194400546 3.1547e-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 = 1.29178 au 
 Jupiter MOID = 2.24877 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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