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JPL Small-Body Database Browser
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442444 (2011 UK189)
Classification: Main-belt Asteroid          SPK-ID: 2442444
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2689948394730563 1.6916e-07  
a 2.600724749299 5.8462e-08 au
q 1.901143212847711 4.8018e-07 au
i 5.560887915236516 5.6552e-06 deg
node 76.33538636296228 7.2331e-05 deg
peri 286.3469288494775 7.5954e-05 deg
M 304.8332503126952 2.3257e-05 deg
tp 2458835.255031316225
(2019-Dec-17.75503132)		 0.0001054 TDB
period 1531.933850605111
4.19		 5.1655e-05
1.414e-07		 d
yr
n .2349970919813545 7.9239e-09 deg/d
Q 3.30030628575029 7.4189e-08 au
   Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      4313 days (11.81 yr)  
   first obs. used      2007-11-02  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:12  

Additional Information
 Earth MOID = .907173 au 
 Jupiter MOID = 2.17488 au 
 T_jup = 3.356 
[ 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 17.7   n/a MPO349189  

442444 (2011 UK189)          Discovered 2007-Nov-02 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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