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JPL Small-Body Database Browser
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109423 (2001 QJ193)
Classification: Main-belt Asteroid          SPK-ID: 2109423
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09945774876080113 4.6433e-08  
a 2.553887945759505 1.3559e-08 au
q 2.299884000086918 1.2296e-07 au
i 13.26333296725275 6.5302e-06 deg
node 293.1182686114601 1.8007e-05 deg
peri 80.88666531926823 3.9829e-05 deg
M 103.9623164836959 3.4647e-05 deg
tp 2458169.998537311239
(2018-Feb-20.49853731)
0.00014247 TDB
period 1490.73752692168
4.08
1.1871e-05
3.25e-08
d
yr
n .2414912038495383 1.9231e-09 deg/d
Q 2.807891891432093 1.4907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      13113 days (35.90 yr)  
   first obs. used      1983-04-15  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:31:03  

Additional Information
 Earth MOID = 1.34157 au 
 Jupiter MOID = 2.65654 au 
 T_jup = 3.394 
[ 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 14.6   n/a MPO338040  
rotation period rot_per 19.805 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

109423 (2001 QJ193)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QJ193 = 1999 CW109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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