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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219888792128774 4.4773e-08  
a 2.241582819878323 6.8177e-09 au
q 1.743976362030693 1.0125e-07 au
i 6.586346436930474 4.2953e-06 deg
node 53.10946938668463 2.7573e-05 deg
peri 319.0997560358998 2.8758e-05 deg
M 25.89230063305316 6.4388e-06 deg
tp 2459112.334484505725
(2020-Sep-19.83448451)
2.199e-05 TDB
period 1225.831030921267
3.36
5.5925e-06
1.531e-08
d
yr
n .293678321823395 1.3398e-09 deg/d
Q 2.739189277725953 8.3311e-09 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      7383 days (20.21 yr)  
   first obs. used      2000-10-24  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:29:15  

Additional Information
 Earth MOID = .749847 au 
 Jupiter MOID = 2.73201 au 
 T_jup = 3.593 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458007.5 (2017-Sep-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22309773767289 4.4764e-08  
q 1.741389449536602 1.0132e-07 au
tp 2457886.864783032725
(2017-May-13.36478303)
2.343e-05 TDB
node 53.13015688214167 2.7547e-05 deg
peri 319.1856883283604 2.8716e-05 deg
i 6.590656039016823 4.2985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      7383 days (20.21 yr)  
   first obs. used      2000-10-24  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:29:15  

Additional Information
 Jupiter MOID = 2.73201 au 
 T_jup = 3.593 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.003812903463166E-15 -4.529419827114812E-15 1.904804933985944E-13 -3.977608052087335E-14 3.843966161071962E-14 -7.450871277464491E-15
q -4.529419827114812E-15 1.026593284804754E-14 -4.779789508653123E-13 8.961691892664076E-14 -1.006412016751224E-13 1.695865951462843E-14
tp 1.904804933985944E-13 -4.779789508653123E-13 5.489615634424069E-10 -3.899367238314303E-12 1.967373534712643E-10 -2.078848215475506E-12
node -3.977608052087335E-14 8.961691892664076E-14 -3.899367238314303E-12 7.588468506499494E-10 -7.534156288208182E-10 -4.431803565855017E-11
peri 3.843966161071962E-14 -1.006412016751224E-13 1.967373534712643E-10 -7.534156288208182E-10 8.246267180828318E-10 4.362296123681151E-11
i -7.450871277464491E-15 1.695865951462843E-14 -2.078848215475506E-12 -4.431803565855017E-11 4.362296123681151E-11 1.847702126056923E-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 16.32   n/a E2021B55  
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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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