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109459 (2001 QS211)
Classification: Main-belt Asteroid          SPK-ID: 2109459
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878508039572591 5.671e-08  
a 3.139514171936124 2.1292e-08 au
q 2.549753910702714 1.7806e-07 au
i .2032516169905921 4.3275e-06 deg
node 265.3991463825268 0.0017171 deg
peri 75.32793124959075 0.0017171 deg
M 134.5588844718531 1.3156e-05 deg
tp 2458241.045122067730
(2018-May-02.54512207)
7.1519e-05 TDB
period 2031.852130230818
5.56
2.0669e-05
5.659e-08
d
yr
n .177178247690251 1.8024e-09 deg/d
Q 3.729274433169533 2.5291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1996-11-09  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:21  

Additional Information
 Earth MOID = 1.54134 au 
 Jupiter MOID = 1.67531 au 
 T_jup = 3.183 
[ 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 15.3   n/a MPO453554  
diameter diameter 5.687 km 1.816 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109459 (2001 QS211)          Discovered 2001-Aug-23 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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