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JPL Small-Body Database Browser
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109261 (2001 QB108)
Classification: Main-belt Asteroid          SPK-ID: 2109261
[ 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 .1136051094818571 4.1702e-08  
a 3.167343938751106 3.1069e-08 au
q 2.80751748382259 1.3193e-07 au
i 5.106375760023417 6.467e-06 deg
node 37.7584687657953 6.258e-05 deg
peri 227.2506956277034 7.1419e-05 deg
M 118.8035084581796 3.7098e-05 deg
tp 2457921.033529327130
(2017-Jun-16.53352933)		 0.00020903 TDB
period 2058.928499812263
5.64		 3.0295e-05
8.294e-08		 d
yr
n .1748482281112848 2.5727e-09 deg/d
Q 3.527170393679622 3.4599e-08 au
   Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      6689 days (18.31 yr)  
   first obs. used      2001-08-11  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:05:01  

Additional Information
 Earth MOID = 1.79477 au 
 Jupiter MOID = 1.55574 au 
 T_jup = 3.187 
[ 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 14.7   n/a MPO351621  

109261 (2001 QB108)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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