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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2220753485732124 4.4993e-08  
a 2.241853647666489 6.8732e-09 au
q 1.743993217410826 1.0176e-07 au
i 6.586250057467298 4.3246e-06 deg
node 53.11248349345405 2.8854e-05 deg
peri 319.0626585593103 2.9987e-05 deg
M 327.1841806750783 6.535e-06 deg
tp 2459112.260944785629
(2020-Sep-19.76094479)
2.2172e-05 TDB
period 1226.053194785577
3.36
5.6383e-06
1.544e-08
d
yr
n .2936251065867985 1.3503e-09 deg/d
Q 2.739714077922152 8.3995e-09 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      7328 days (20.06 yr)  
   first obs. used      2000-10-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:08  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2014-Apr-25 18:42 < 00:01 Iris 0.0328697743249869 0.032868361768289 0.032871186890729 5.48001569390107 5.48001566198609 2456773.279156910 0.36445142106376 77.0350608906644 34.6783099007481 27.0037576294387 85877.2861687439 T 21 CATAB v2.0f-lin.ifort 2020-Dec-17 23:26:09 2020-Dec-17 23:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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