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109026 (2001 QG9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439384047703241 3.6033e-08  
a 3.215680874474644 2.1715e-08 au
q 2.752820899152323 1.2189e-07 au
i 4.950267299505098 5.5101e-06 deg
node 348.9941612662714 4.5968e-05 deg
peri 87.93141610529655 5.098e-05 deg
M 359.9858113328589 1.9788e-05 deg
tp 2459000.583013158936
(2020-May-31.08301316)
0.00011578 TDB
period 2106.239925132775
5.77
2.1335e-05
5.841e-08
d
yr
n .1709206988739927 1.7313e-09 deg/d
Q 3.678540849796965 2.4841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      6749 days (18.48 yr)  
   first obs. used      2001-08-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:07  

Additional Information
 Earth MOID = 1.77386 au 
 Jupiter MOID = 1.60885 au 
 T_jup = 3.168 
[ show covariance matrix ]

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 14.2   n/a MPO453549  
diameter diameter 7.491 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109026 (2001 QG9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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