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109555 (2001 QS260)
Classification: Main-belt Asteroid          SPK-ID: 2109555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07550721133282316 3.8941e-08  
a 2.770418113609263 1.6293e-08 au
q 2.561231567624688 1.1365e-07 au
i 5.63671017060868 3.9895e-06 deg
node 113.086612503718 4.5034e-05 deg
peri 289.6334321680485 5.4178e-05 deg
M 347.3165051991305 3.0224e-05 deg
tp 2459059.840723685205
(2020-Jul-29.34072368)
0.00014155 TDB
period 1684.288192021765
4.61
1.4858e-05
4.068e-08
d
yr
n .2137401435842566 1.8856e-09 deg/d
Q 2.979604659593839 1.7524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      6583 days (18.02 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:11:32  

Additional Information
 Earth MOID = 1.57692 au 
 Jupiter MOID = 2.31581 au 
 T_jup = 3.326 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO449653  
diameter diameter 6.256 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109555 (2001 QS260)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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