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442379 (2011 UQ1)
Classification: Main-belt Asteroid          SPK-ID: 2442379
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164309567728303 6.8904e-08  
a 2.777839203273888 5.1318e-08 au
q 2.454412727075633 2.1611e-07 au
i 11.44163681220812 7.7063e-06 deg
node 226.3375091788361 3.6601e-05 deg
peri 108.049116909777 5.2495e-05 deg
M 354.9776754851464 4.086e-05 deg
tp 2459024.091814852432
(2020-Jun-23.59181485)
0.00019231 TDB
period 1691.060249443736
4.63
4.6861e-05
1.283e-07
d
yr
n .2128841950595313 5.8992e-09 deg/d
Q 3.101265679472144 5.7293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5141 days (14.08 yr)  
   first obs. used      2005-05-04  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57212  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:52  

Additional Information
 Earth MOID = 1.47513 au 
 Jupiter MOID = 2.29716 au 
 T_jup = 3.296 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO434643  

442379 (2011 UQ1)          Discovered 2005-May-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 UQ1 = 2005 JF155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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