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JPL Small-Body Database Browser
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442393 (2011 UT39)
Classification: Main-belt Asteroid          SPK-ID: 2442393
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607729364237612 8.3567e-08  
a 2.619440424051164 3.6179e-08 au
q 2.198305295289356 2.2535e-07 au
i 13.48480269741177 8.7896e-06 deg
node 22.71219116770504 2.7618e-05 deg
peri 318.9362586782023 3.4464e-05 deg
M 43.2813856020741 2.1837e-05 deg
tp 2458814.329926611602
(2019-Nov-26.82992661)
9.192e-05 TDB
period 1548.500018830535
4.24
3.2081e-05
8.783e-08
d
yr
n .232483045283965 4.8165e-09 deg/d
Q 3.040575552812971 4.1995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      8563 days (23.44 yr)  
   first obs. used      1994-10-09  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58369  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:24:48  

Additional Information
 Earth MOID = 1.21042 au 
 Jupiter MOID = 2.44312 au 
 T_jup = 3.348 
[ 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 17.0   n/a MPO440831  

442393 (2011 UT39)          Discovered 2011-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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