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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174071711620505 6.8983e-08  
a 2.778598966244427 5.1158e-08 au
q 2.452371521823871 2.1574e-07 au
i 11.45023318693686 7.7398e-06 deg
node 226.3863571803979 3.7117e-05 deg
peri 108.2116315164649 5.2707e-05 deg
M 269.7424754920897 3.9412e-05 deg
tp 2459024.648708320655
(2020-Jun-24.14870832)
0.00019159 TDB
period 1691.754076216143
4.63
4.6721e-05
1.279e-07
d
yr
n .2127968864157803 5.8768e-09 deg/d
Q 3.104826410664983 5.7164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   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      .57119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:05  

Additional Information
 Earth MOID = 1.47225 au 
 Jupiter MOID = 2.29667 au 
 T_jup = 3.295 
[ 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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