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JPL Small-Body Database Browser
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109244 (2001 QZ98)
Classification: Main-belt Asteroid          SPK-ID: 2109244
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2712192258316027 6.8146e-08  
a 2.543022168813713 1.0596e-08 au
q 1.853305664915454 1.7836e-07 au
i 5.222889753698424 5.8233e-06 deg
node 210.7026969609142 4.8005e-05 deg
peri 175.8355437966775 4.9081e-05 deg
M 116.8173995564661 1.218e-05 deg
tp 2458119.850295522301
(2018-Jan-01.35029552)
4.7669e-05 TDB
period 1481.233910949473
4.06
9.2577e-06
2.535e-08
d
yr
n .2430406145436135 1.519e-09 deg/d
Q 3.232738672711971 1.347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7863 days (21.53 yr)  
   first obs. used      1997-09-17  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:29:17  

Additional Information
 Earth MOID = .857138 au 
 Jupiter MOID = 2.21844 au 
 T_jup = 3.386 
[ 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 15.6   n/a MPO325221  
rotation period rot_per 134.423 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.]

109244 (2001 QZ98)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QZ98 = 1997 WE31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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