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6689 Floss (1981 EQ24)
Classification: Main-belt Asteroid          SPK-ID: 2006689
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731376611843052 4.2228e-08  
a 2.211931523882894 9.8517e-09 au
q 1.828962873137974 9.4652e-08 au
i 4.419788975749783 6.2989e-06 deg
node 198.8548087566518 5.5718e-05 deg
peri 77.66333049320595 5.8865e-05 deg
M 191.4009406774404 2.0845e-05 deg
tp 2458163.241042105934
(2018-Feb-13.74104211)
7.1142e-05 JED
period 1201.589000390283
3.29
8.0276e-06
2.198e-08
d
yr
n .2996032752322716 2.0016e-09 deg/d
Q 2.594900174627814 1.1557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1047  
   data-arc span      12777 days (34.98 yr)  
   first obs. used      1981-02-12  
   last obs. used      2016-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50693  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:20:16  

Additional Information
 Earth MOID = .818811 au 
 Jupiter MOID = 2.5192 au 
 T_jup = 3.633 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO350856  

6689 Floss           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring in the course of the U.K. Schmidt-Caltech Asteroid Survey.
Christine Floss (b. 1961) is a meteoriticist at Washington University in St. Louis who studies the trace element and isotopic signatures of interplanetary dust particles, chondrites and differentiated meteorites to understand their origins.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

[ show close-approach data ]
Alternate Designations
 1981 EQ24 = 1991 GX4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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