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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134099176656139 4.1676e-08  
a 3.168271360987142 3.1136e-08 au
q 2.808957966795267 1.3188e-07 au
i 5.105006107493016 6.425e-06 deg
node 37.75055719696778 6.2073e-05 deg
peri 227.4254762796408 7.0911e-05 deg
M 188.5320861335084 3.7392e-05 deg
tp 2459981.597903497050
(2023-Feb-06.09790350)
0.00021964 TDB
period 2059.832870737222
5.64
3.0364e-05
8.313e-08
d
yr
n .1747714608861226 2.5763e-09 deg/d
Q 3.527584755179016 3.4667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6720 days (18.40 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:47:33  

Additional Information
 Earth MOID = 1.7966 au 
 Jupiter MOID = 1.55597 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 14.6   n/a MPO502755  

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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