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109334 (2001 QL143)
Classification: Main-belt Asteroid          SPK-ID: 2109334
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362264993801671 4.5729e-08  
a 2.54299616746298 1.1401e-08 au
q 2.196572701632317 1.1673e-07 au
i 1.103862789399983 3.8361e-06 deg
node 213.2833076274432 0.00029308 deg
peri 230.6738503539448 0.00029358 deg
M 140.8836937031255 1.8784e-05 deg
tp 2458420.837488625594
(2018-Oct-29.33748863)
7.6095e-05 TDB
period 1481.211193500647
4.06
9.9607e-06
2.727e-08
d
yr
n .2430443420760192 1.6344e-09 deg/d
Q 2.889419633293643 1.2954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:03:32  

Additional Information
 Earth MOID = 1.21285 au 
 Jupiter MOID = 2.31507 au 
 T_jup = 3.431 
[ 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 16.0   n/a MPO268014  
rotation period rot_per 11.71 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.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

109334 (2001 QL143)          Discovered 2001-Aug-21 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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