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109485 (2001 QP223)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109485
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162356513981469 4.5454e-08  
a 3.207106268643967 2.5591e-08 au
q 2.686411674898816 1.554e-07 au
i 17.32283571536829 4.831e-06 deg
node 144.4107694893198 1.7173e-05 deg
peri 284.5762962409976 2.3548e-05 deg
M 4.261569916002314 1.7212e-05 deg
tp 2458975.666635101251
(2020-May-06.16663510)
0.00010023 TDB
period 2097.821117513453
5.74
2.5109e-05
6.874e-08
d
yr
n .1716066241275652 2.054e-09 deg/d
Q 3.727800862389119 2.9745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      6758 days (18.50 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:37  

Additional Information
 Earth MOID = 1.76426 au 
 Jupiter MOID = 1.72396 au 
 T_jup = 3.102 
[ 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 14.4   n/a MPO417561  
diameter diameter 7.515 km 0.491 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109485 (2001 QP223)          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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