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173509 (2000 UK50)
Classification: Main-belt Asteroid          SPK-ID: 2173509
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222075337151898 4.7667e-08  
a 2.241853638029113 1.2438e-08 au
q 1.743993235518589 1.055e-07 au
i 6.586252883853457 5.1468e-06 deg
node 53.11250459887594 3.8824e-05 deg
peri 319.0626274258051 4.1001e-05 deg
M 327.1841963950286 1.8212e-05 deg
tp 2459112.260890527479
(2020-Sep-19.76089053)
6.2717e-05 TDB
period 1226.053186879663
3.36
1.0204e-05
2.794e-08
d
yr
n .2936251084801707 2.4436e-09 deg/d
Q 2.739714040539638 1.5201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7219 days (19.76 yr)  
   first obs. used      2000-10-24  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:04:39  

Additional Information
 Earth MOID = .751272 au 
 Jupiter MOID = 2.73038 au 
 T_jup = 3.593 
[ 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 16.2   n/a MPO475468  
diameter diameter 1.953 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173509 (2000 UK50)          Discovered 2000-Oct-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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