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173597 (2001 DD50)
Classification: Main-belt Asteroid          SPK-ID: 2173597
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149471612768003 5.1549e-08  
a 2.332361323872045 1.2511e-08 au
q 2.064263010621154 1.1951e-07 au
i 6.617005577927759 5.925e-06 deg
node 40.81179654287965 4.551e-05 deg
peri 101.2020831550221 5.2041e-05 deg
M 150.7329577720728 2.6593e-05 deg
tp 2458455.749178219051
(2018-Dec-03.24917822)		 9.4355e-05 TDB
period 1301.044567424234
3.56		 1.0469e-05
2.866e-08		 d
yr
n .2767007441664479 2.2264e-09 deg/d
Q 2.600459637122936 1.395e-08 au
   Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-01-18  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:34  

Additional Information
 Earth MOID = 1.08862 au 
 Jupiter MOID = 2.42093 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152769240516436 5.1248e-08  
q 2.062347556512725 1.1875e-07 au
tp 2457154.121578376198
(2015-May-11.62157838)		 9.0747e-05 TDB
node 40.86586372286417 4.5459e-05 deg
peri 100.7026333725547 5.2048e-05 deg
i 6.622074716871083 5.9285e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-01-18  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:34  

Additional Information
 Jupiter MOID = 2.42093 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.626320692068911E-15 -6.059745117573479E-15 2.0149557009296E-12 -5.720857418454361E-15 5.708483496114793E-13 2.124203921471199E-15
q -6.059745117573479E-15 1.410174677146615E-14 -4.396059635968634E-12 1.40455574307976E-14 -1.245963236211367E-12 -4.726787131752088E-15
tp 2.0149557009296E-12 -4.396059635968634E-12 8.234944939446511E-9 -1.149609271459109E-11 2.325658015536029E-9 3.66042627972551E-12
node -5.720857418454361E-15 1.40455574307976E-14 -1.149609271459109E-11 2.066547463281621E-9 -2.0557296659927E-9 -1.016774392769306E-10
peri 5.708483496114793E-13 -1.245963236211367E-12 2.325658015536029E-9 -2.0557296659927E-9 2.709038215733197E-9 1.020536762835473E-10
i 2.124203921471199E-15 -4.726787131752088E-15 3.66042627972551E-12 -1.016774392769306E-10 1.020536762835473E-10 3.51473449622447E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO422663  

173597 (2001 DD50)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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