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332761 (2009 UK84)
Classification: Main-belt Asteroid          SPK-ID: 2332761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02719654321012438 7.7792e-08  
a 2.865572657828913 5.3308e-08 au
q 2.787638987218518 2.4486e-07 au
i 2.38487831897031 1.3459e-05 deg
node 155.1906442477572 0.00016123 deg
peri 301.0268550570719 0.00030712 deg
M 23.92320597012037 0.00026038 deg
tp 2458882.757719697259
(2020-Feb-03.25771970)
0.0012807 TDB
period 1771.803535108445
4.85
4.9441e-05
1.354e-07
d
yr
n .2031827981300229 5.6697e-09 deg/d
Q 2.943506328439308 5.4758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5132 days (14.05 yr)  
   first obs. used      2006-01-05  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:11:10  

Additional Information
 Earth MOID = 1.80542 au 
 Jupiter MOID = 2.08687 au 
 T_jup = 3.298 
[ 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 16.9   n/a MPO455451  

332761 (2009 UK84)          Discovered 2009-Oct-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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