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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597773634150254 4.5303e-08  
q 2.69899884661629 1.5519e-07 au
tp 2456880.335515336954
(2014-Aug-10.83551534)
9.9676e-05 TDB
node 144.5006522487836 1.7137e-05 deg
peri 285.090235692893 2.3726e-05 deg
i 17.32954250002789 4.834e-06 deg
  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
 Jupiter MOID = 1.72396 au 
 T_jup = 3.102 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052335304994423E-15 -6.970964928442274E-15 -1.658752788697677E-12 8.759067248882748E-15 -2.872986363520221E-13 -4.765757072974033E-15
q -6.970964928442274E-15 2.40846597727527E-14 5.226481371944391E-12 -3.096798006886432E-14 9.263821087258188E-13 1.770798600642875E-14
tp -1.658752788697677E-12 5.226481371944391E-12 9.935259236495653E-9 5.69133080934296E-12 1.678148802440281E-9 1.276392547551953E-11
node 8.759067248882748E-15 -3.096798006886432E-14 5.69133080934296E-12 2.936671580867762E-10 -2.793653956310867E-10 2.797325547836603E-11
peri -2.872986363520221E-13 9.263821087258188E-13 1.678148802440281E-9 -2.793653956310867E-10 5.629151937937818E-10 -2.447569269649814E-11
i -4.765757072974033E-15 1.770798600642875E-14 1.276392547551953E-11 2.797325547836603E-11 -2.447569269649814E-11 2.336789031031016E-11

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

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