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JPL Small-Body Database Browser
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109018 (2001 QA6)
Classification: Main-belt Asteroid          SPK-ID: 2109018
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970524350726834 4.0124e-08  
a 2.372125016339119 1.1288e-08 au
q 1.904692005572666 9.3416e-08 au
i 6.516469118002949 4.1156e-06 deg
node 146.3793082213409 3.8148e-05 deg
peri 222.2938882062891 3.9429e-05 deg
M 275.5461955538529 1.1492e-05 deg
tp 2458913.555620079370
(2020-Mar-05.05562008)
4.3861e-05 TDB
period 1334.457624113756
3.65
9.5255e-06
2.608e-08
d
yr
n .2697725229297441 1.9257e-09 deg/d
Q 2.839558027105571 1.3513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      6669 days (18.26 yr)  
   first obs. used      2000-03-09  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5711  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:40:11  

Additional Information
 Earth MOID = .908129 au 
 Jupiter MOID = 2.62494 au 
 T_jup = 3.509 
[ 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 15.7   n/a MPO436524  
rotation period rot_per 11.29 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.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

109018 (2001 QA6)          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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