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JPL Small-Body Database Browser
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(2009 UK20)
Classification: Apollo [NEO]          SPK-ID: 3472549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2072180474933113 0.00018233  
a 1.053823441361025 4.9424e-05 au
q .8354522054395115 0.00015296 au
i 2.843335080911832 0.0023305 deg
node 215.9534880866384 0.00021366 deg
peri 277.4959875458145 0.006975 deg
M 209.1520518040233 0.27436 deg
tp 2459562.072084222604
(2021-Dec-13.57208422)
0.31279 TDB
period 395.1392845111778
1.08
0.027798
7.611e-05
d
yr
n .911071144053297 6.4094e-05 deg/d
Q 1.272194677282539 5.9666e-05 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      15 days  
   first obs. used      2009-10-25  
   last obs. used      2009-11-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .68543  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:04:40  

Additional Information
 Earth MOID = .00609622 au 
 Jupiter MOID = 3.75036 au 
 T_jup = 5.817 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.3   n/a MPO166376  

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