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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .271194368025289 6.6592e-08  
a 2.542988847844327 1.0496e-08 au
q 1.853344594357827 1.7431e-07 au
i 5.222795043468751 5.5923e-06 deg
node 210.7008626571695 4.3391e-05 deg
peri 175.7793847404149 4.4311e-05 deg
M 214.1313085447595 1.1963e-05 deg
tp 2459600.670571424301
(2022-Jan-21.17057142)
5.2448e-05 TDB
period 1481.204798351443
4.06
9.1704e-06
2.511e-08
d
yr
n .2430453914277582 1.5047e-09 deg/d
Q 3.232633101330827 1.3343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      8259 days (22.61 yr)  
   first obs. used      1997-09-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:28  

Additional Information
 Earth MOID = .85787 au 
 Jupiter MOID = 2.22132 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-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:
[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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