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332760 (2009 UQ81)
Classification: Main-belt Asteroid          SPK-ID: 2332760
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1059957368473081 7.4497e-08  
a 3.118231296851146 8.1023e-08 au
q 2.787712072881072 2.7037e-07 au
i 10.33406742992366 1.1681e-05 deg
node 31.99460587902045 5.5792e-05 deg
peri 28.72411502289099 0.00011504 deg
M 312.6535424092649 0.00010803 deg
tp 2459265.012321067156
(2021-Feb-19.51232107)
0.00061142 TDB
period 2011.226191562216
5.51
7.8388e-05
2.146e-07
d
yr
n .1789952823358822 6.9764e-09 deg/d
Q 3.44875052082122 8.9611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5766 days (15.79 yr)  
   first obs. used      2003-09-21  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .666  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:19:46  

Additional Information
 Earth MOID = 1.80452 au 
 Jupiter MOID = 1.96315 au 
 T_jup = 3.183 
[ 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 15.7   n/a MPO476524  

332760 (2009 UQ81)          Discovered 2005-Jan-12 by Pauwels, T. at Uccle
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2009 UQ81 = 2011 BV42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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