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173482 (2000 ST84)
Classification: Main-belt Asteroid          SPK-ID: 2173482
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .201631671712056 6.1187e-08  
a 3.196421256904961 2.6247e-08 au
q 2.551921495379262 2.0372e-07 au
i 1.943426753179087 4.3556e-06 deg
node 90.86831586183256 0.00019848 deg
peri 257.3391067749597 0.00019874 deg
M 172.3955710727803 1.0487e-05 deg
tp 2458000.918877430858
(2017-Sep-04.41887743)		 5.7676e-05 TDB
period 2087.345990883799
5.71		 2.571e-05
7.039e-08		 d
yr
n .1724678139475924 2.1243e-09 deg/d
Q 3.840921018430659 3.1539e-08 au
   Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:02  

Additional Information
 Earth MOID = 1.54633 au 
 Jupiter MOID = 1.58767 au 
 T_jup = 3.162 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457068.5 (2015-Feb-15.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1998569595986652 6.1057e-08  
q 2.558611551312679 2.0277e-07 au
tp 2458001.475179533476
(2017-Sep-04.97517953)		 5.8289e-05 TDB
node 90.88136310196471 0.00019841 deg
peri 257.4353951372723 0.00019868 deg
i 1.943490013300614 4.3543e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:02  

Additional Information
 Jupiter MOID = 1.58767 au 
 T_jup = 3.162 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.727925691457615E-15 -1.232235584555125E-14 -1.504198081960993E-13 -5.497502833642777E-15 -2.24100363489416E-14 -2.300028005922798E-15
q -1.232235584555125E-14 4.111687924715166E-14 6.43113124328606E-13 1.708817566848575E-14 6.29766586012263E-14 7.826035545959684E-15
tp -1.504198081960993E-13 6.43113124328606E-13 3.397559090684634E-9 -7.637061728038756E-12 6.704450301340678E-10 -2.296505137262538E-14
node -5.497502833642777E-15 1.708817566848575E-14 -7.637061728038756E-12 3.936722972153907E-8 -3.934637994595152E-8 1.696023934066625E-10
peri -2.24100363489416E-14 6.29766586012263E-14 6.704450301340678E-10 -3.934637994595152E-8 3.947286666097909E-8 -1.695308556779009E-10
i -2.300028005922798E-15 7.826035545959684E-15 -2.296505137262538E-14 1.696023934066625E-10 -1.695308556779009E-10 1.895953327409443E-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 15.4   n/a MPO245262  
diameter diameter 4.058 km 0.882 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173482 (2000 ST84)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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