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109487 (2001 QE224)
Classification: Main-belt Asteroid          SPK-ID: 2109487
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954562312458069 5.2191e-08  
a 3.105016369633948 2.2686e-08 au
q 2.498121572068759 1.5585e-07 au
i 11.41668793079533 5.5262e-06 deg
node 182.796301590631 2.2007e-05 deg
peri 214.4125595123367 2.7246e-05 deg
M 100.309286222624 1.3458e-05 deg
tp 2458443.656816916287
(2018-Nov-21.15681692)
7.4135e-05 TDB
period 1998.454514622232
5.47
2.1902e-05
5.996e-08
d
yr
n .1801392012507479 1.9742e-09 deg/d
Q 3.711911167199137 2.712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      6851 days (18.76 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:28  

Additional Information
 Earth MOID = 1.51357 au 
 Jupiter MOID = 1.77246 au 
 T_jup = 3.161 
[ 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 14.8   n/a MPO502755  
diameter diameter 5.495 km 1.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109487 (2001 QE224)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
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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