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109458 (2001 QG211)
Classification: Main-belt Asteroid          SPK-ID: 2109458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143417149566983 9.6473e-08  
a 2.431523952222003 1.5377e-08 au
q 1.91034693834445 2.4213e-07 au
i 8.375675981769522 8.9746e-06 deg
node 335.8893686432922 2.8896e-05 deg
peri 330.4610305549448 3.2495e-05 deg
M 261.6884329361673 1.1169e-05 deg
tp 2458978.697255436590
(2020-May-09.19725544)
4.2341e-05 TDB
period 1384.893110988362
3.79
1.3138e-05
3.597e-08
d
yr
n .2599478596171783 2.4659e-09 deg/d
Q 2.952700966099556 1.8674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2000-02-12  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55039  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:51:14  

Additional Information
 Earth MOID = .900065 au 
 Jupiter MOID = 2.33456 au 
 T_jup = 3.461 
[ 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 16.4   n/a MPO432617  
diameter diameter 2.723 km 0.658 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109458 (2001 QG211)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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