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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364795170854753 5.1288e-08  
a 2.543129453841806 1.2232e-08 au
q 2.196044374095628 1.3257e-07 au
i 1.103936127634696 3.8497e-06 deg
node 213.2860583877781 0.0003435 deg
peri 230.7170212468942 0.00034408 deg
M 43.59325180001925 2.0659e-05 deg
tp 2458421.122530191640
(2018-Oct-29.62253019)
8.4897e-05 TDB
period 1481.327647390167
4.06
1.0688e-05
2.926e-08
d
yr
n .2430252352572068 1.7534e-09 deg/d
Q 2.890214533587985 1.3902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      7355 days (20.14 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57289  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:42:08  

Additional Information
 Earth MOID = 1.21226 au 
 Jupiter MOID = 2.31522 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-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.]

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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