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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ 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 15.4   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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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