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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143603830228077 5.0788e-08  
a 2.432269108596467 9.1254e-09 au
q 1.910886970863185 1.2192e-07 au
i 8.376354297944651 7.0538e-06 deg
node 335.8652596281549 2.0716e-05 deg
peri 330.3476400977086 2.4108e-05 deg
M 5.752551114768079 1.0711e-05 deg
tp 2458978.360192093742
(2020-May-08.86019209)
4.1212e-05 TDB
period 1385.529774049499
3.79
7.7974e-06
2.135e-08
d
yr
n .2598284112999067 1.4622e-09 deg/d
Q 2.953651246329749 1.1082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      2000-02-12  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:11:57  

Additional Information
 Earth MOID = .901425 au 
 Jupiter MOID = 2.33563 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 16.3   n/a MPO469119  
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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