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JPL Small-Body Database Browser
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109113 (2001 QB41)
Classification: Main-belt Asteroid          SPK-ID: 2109113
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08669722249152542 3.9572e-08  
a 2.457267273989497 1.6129e-08 au
q 2.244229026415285 9.4251e-08 au
i 2.043442607007958 4.4716e-06 deg
node 89.7226430569625 0.000144 deg
peri 214.2686613518127 0.00014796 deg
M 222.891894456016 3.6436e-05 deg
tp 2459136.343110631824
(2020-Oct-13.84311063)
0.00014469 TDB
period 1406.944681075573
3.85
1.3852e-05
3.792e-08
d
yr
n .255873599610746 2.5192e-09 deg/d
Q 2.670305521563709 1.7527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      6938 days (19.00 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57594  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:00:40  

Additional Information
 Earth MOID = 1.22852 au 
 Jupiter MOID = 2.48846 au 
 T_jup = 3.486 
[ 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 16.3   n/a MPO436524  
rotation period rot_per 2.51 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

109113 (2001 QB41)          Discovered 2001-Aug-16 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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