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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07849146192124731 5.4393e-08  
a 3.04526375931455 2.8389e-08 au
q 2.806236554910158 1.7204e-07 au
i 8.249324138910792 6.5775e-06 deg
node 335.18024687 3.2246e-05 deg
peri 226.8010847927487 4.9911e-05 deg
M 313.3964915655143 4.1155e-05 deg
tp 2459251.776520741893
(2021-Feb-06.27652074)
0.00022348 TDB
period 1941.045867700023
5.31
2.7142e-05
7.431e-08
d
yr
n .1854670237270435 2.5934e-09 deg/d
Q 3.284290963718943 3.0617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:45:33  

Additional Information
 Earth MOID = 1.8122 au 
 Jupiter MOID = 1.72682 au 
 T_jup = 3.218 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457101.5 (2015-Mar-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08016611093189195 5.4471e-08  
q 2.802526546506846 1.7299e-07 au
tp 2457306.866407398229
(2015-Oct-11.36640740)
0.00020722 TDB
node 335.21392280802 3.2233e-05 deg
peri 226.0413925953878 4.9157e-05 deg
i 8.250949466479454 6.5779e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:45:33  

Additional Information
 Jupiter MOID = 1.72682 au 
 T_jup = 3.218 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.967053457244891E-15 -9.316774632560346E-15 -4.801724356842307E-12 -1.907172880511059E-14 -8.146839292786925E-13 -1.225765116779126E-15
q -9.316774632560346E-15 2.992484734220984E-14 1.670913136099001E-11 5.959825924011454E-14 2.83750040111109E-12 3.635300758331E-15
tp -4.801724356842307E-12 1.670913136099001E-11 4.294138207949216E-8 6.617032124185452E-11 7.708328331280727E-9 9.314496771113749E-12
node -1.907172880511059E-14 5.959825924011454E-14 6.617032124185452E-11 1.038990185397157E-9 -1.01595513632907E-9 8.11777219072889E-12
peri -8.146839292786925E-13 2.83750040111109E-12 7.708328331280727E-9 -1.01595513632907E-9 2.416410455962387E-9 -6.383571098711055E-12
i -1.225765116779126E-15 3.635300758331E-15 9.314496771113749E-12 8.11777219072889E-12 -6.383571098711055E-12 4.326822136211184E-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

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