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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19680061830589 3.9051e-08  
a 2.371044083784278 1.0775e-08 au
q 1.90442114206501 9.1328e-08 au
i 6.518377011973937 4.1046e-06 deg
node 146.3628818086955 3.7593e-05 deg
peri 222.4288693327324 3.8898e-05 deg
M 23.38316808069527 1.1703e-05 deg
tp 2458913.881886539276
(2020-Mar-05.38188654)
4.3024e-05 TDB
period 1333.545597339503
3.65
9.0902e-06
2.489e-08
d
yr
n .2699570233805428 1.8402e-09 deg/d
Q 2.837667025503546 1.2895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      2000-03-09  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:03:58  

Additional Information
 Earth MOID = .908769 au 
 Jupiter MOID = 2.63049 au 
 T_jup = 3.510 
[ 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-August); 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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