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JPL Small-Body Database Browser
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109453 (2001 QA209)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07582947271978295 4.0036e-08  
a 3.235432642910856 3.0559e-08 au
q 2.990091491578552 1.2733e-07 au
i 11.45601857380638 4.9728e-06 deg
node 147.1198634336865 2.5165e-05 deg
peri 116.1377100257861 4.5845e-05 deg
M 71.6043286580129 4.0461e-05 deg
tp 2458177.701198386797
(2018-Feb-28.20119839)
0.00023747 TDB
period 2125.675520368422
5.82
3.0116e-05
8.245e-08
d
yr
n .1693579271861798 2.3994e-09 deg/d
Q 3.48077379424316 3.2876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      9746 days (26.68 yr)  
   first obs. used      1993-02-23  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:52:08  

Additional Information
 Earth MOID = 1.99625 au 
 Jupiter MOID = 1.71745 au 
 T_jup = 3.149 
[ 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 14.6   n/a MPO453554  
diameter diameter 5.589 km 0.842 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109453 (2001 QA209)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QA209 = 2000 KH72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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