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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730719240958683 4.2663e-08  
a 2.212090056737926 1.005e-08 au
q 1.829239374344955 9.5835e-08 au
i 4.419733810738962 6.5364e-06 deg
node 198.8536401577483 5.624e-05 deg
peri 77.6909985957452 5.9636e-05 deg
M 131.4493750235973 2.16e-05 deg
tp 2456961.708044298592
(2014-Oct-31.20804430)
7.1048e-05 JED
period 1201.718182563816
3.29
8.1894e-06
2.242e-08
d
yr
n .299571068511217 2.0415e-09 deg/d
Q 2.594940739130897 1.1789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      12723 days (34.83 yr)  
   first obs. used      1981-02-12  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51201  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:00:56  

Additional Information
 Earth MOID = .817764 au 
 Jupiter MOID = 2.51806 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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