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JPL Small-Body Database Browser
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109543 (2001 QB255)
Classification: Main-belt Asteroid          SPK-ID: 2109543
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782325831284043 6.0439e-08  
a 3.156522115197368 3.7106e-08 au
q 2.593927024903806 1.9931e-07 au
i 14.82138437303157 6.9836e-06 deg
node 18.99661268526996 1.8401e-05 deg
peri 197.05044038 2.6354e-05 deg
M 148.4649100775075 2.3217e-05 deg
tp 2457755.740663683465
(2017-Jan-02.24066368)
0.00012172 TDB
period 2048.385446198616
5.61
3.6119e-05
9.889e-08
d
yr
n .1757481731126758 3.099e-09 deg/d
Q 3.71911720549093 4.3719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1999-02-18  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:06:25  

Additional Information
 Earth MOID = 1.5921 au 
 Jupiter MOID = 1.27243 au 
 T_jup = 3.130 
[ 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 14.3   n/a MPO453555  
diameter diameter 6.404 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109543 (2001 QB255)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QB255 = 2000 JB48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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