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JPL Small-Body Database Browser
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109024 (2001 QS8)
Classification: Main-belt Asteroid          SPK-ID: 2109024
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07849146807030701 5.1288e-08  
a 3.045263763354767 2.5817e-08 au
q 2.806236539907744 1.6624e-07 au
i 8.249324090124219 6.1113e-06 deg
node 335.1802466496018 2.9351e-05 deg
peri 226.801086048259 4.7961e-05 deg
M 313.3964894380242 4.0684e-05 deg
tp 2459251.776532712943
(2021-Feb-06.27653271)
0.00022073 TDB
period 1941.045871562864
5.31
2.4683e-05
6.758e-08
d
yr
n .1854670233579489 2.3585e-09 deg/d
Q 3.284290986801791 2.7843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:06  

Additional Information
 Earth MOID = 1.8122 au 
 Jupiter MOID = 1.72682 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07937015314105737 5.1477e-08  
q 2.802537695498214 1.6707e-07 au
tp 2457307.403432024759
(2015-Oct-11.90343202)
0.0002078 TDB
node 335.2123075218425 2.9348e-05 deg
peri 226.1515067577162 4.7502e-05 deg
i 8.25105528949584 6.1121e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:06  

Additional Information
 Jupiter MOID = 1.72682 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.649901883266225E-15 -8.524748334168374E-15 -5.333981706029214E-12 -1.908737431548347E-14 -8.888153687699412E-13 -1.651930967382844E-15
q -8.524748334168374E-15 2.791107944502042E-14 1.797187958190616E-11 6.282924599315279E-14 3.010425543034361E-12 5.301791916171295E-15
tp -5.333981706029214E-12 1.797187958190616E-11 4.317968822676332E-8 8.770003949822927E-11 7.772207117265797E-9 1.269997683085246E-11
node -1.908737431548347E-14 6.282924599315279E-14 8.770003949822927E-11 8.61317570322562E-10 -8.363783390082451E-10 -2.423084113016602E-11
peri -8.888153687699412E-13 3.010425543034361E-12 7.772207117265797E-9 -8.363783390082451E-10 2.25643271580001E-9 2.624373812674806E-11
i -1.651930967382844E-15 5.301791916171295E-15 1.269997683085246E-11 -2.423084113016602E-11 2.624373812674806E-11 3.73576424731138E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO338036  
diameter diameter 7.684 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109024 (2001 QS8)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QS8 = 1999 CQ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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