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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07874291800628269 5.622e-08  
a 3.04589101258703 2.971e-08 au
q 2.806048666326816 1.7565e-07 au
i 8.247829032949832 6.8037e-06 deg
node 335.1916347646765 3.3242e-05 deg
peri 226.6583710171034 5.0532e-05 deg
M 239.3812062934202 4.0792e-05 deg
tp 2459251.052643732358
(2021-Feb-05.55264373)
0.00022431 TDB
period 1941.645613811783
5.32
2.8408e-05
7.778e-08
d
yr
n .1854097356588458 2.7127e-09 deg/d
Q 3.285733358847244 3.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:13:02  

Additional Information
 Earth MOID = 1.81232 au 
 Jupiter MOID = 1.7266 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08053825146941301 5.6189e-08  
q 2.80221252595883 1.7643e-07 au
tp 2457306.694127948453
(2015-Oct-11.19412795)
0.00020725 TDB
node 335.2152258173931 3.3228e-05 deg
peri 226.0174808305864 4.9789e-05 deg
i 8.249773969016804 6.8034e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:13:02  

Additional Information
 Jupiter MOID = 1.7266 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.15714756765502E-15 -9.79202973157106E-15 -4.490401545515295E-12 -1.837656416544679E-14 -7.722844141861342E-13 -7.347581216739462E-16
q -9.79202973157106E-15 3.112885261208023E-14 1.592540859903954E-11 5.513396489617848E-14 2.732609265424693E-12 1.776614587959282E-15
tp -4.490401545515295E-12 1.592540859903954E-11 4.2952899959192E-8 5.054297143073212E-11 7.703621790504791E-9 6.330548964775668E-12
node -1.837656416544679E-14 5.513396489617848E-14 5.054297143073212E-11 1.104097288174961E-9 -1.083181330868849E-9 2.202973495490409E-11
peri -7.722844141861342E-13 2.732609265424693E-12 7.703621790504791E-9 -1.083181330868849E-9 2.478940687067321E-9 -2.069741123523546E-11
i -7.347581216739462E-16 1.776614587959282E-15 6.330548964775668E-12 2.202973495490409E-11 -2.069741123523546E-11 4.628591875027941E-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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