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477342 (2009 UK19)
Classification: Main-belt Asteroid          SPK-ID: 2477342
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773263281873347 1.9679e-07  
a 2.337536509218047 2.1898e-08 au
q 1.923029743034571 4.6999e-07 au
i 1.732528752038743 1.8129e-05 deg
node 212.335377051312 0.00025768 deg
peri 182.4853862682237 0.00025993 deg
M 350.633051648976 3.25e-05 deg
tp 2459034.465002876597
(2020-Jul-03.96500288)
0.00011806 TDB
period 1305.377223974801
3.57
1.8343e-05
5.022e-08
d
yr
n .2757823511764822 3.8753e-09 deg/d
Q 2.752043275401523 2.5781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      9660 days (26.45 yr)  
   first obs. used      1991-10-08  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:34:33  

Additional Information
 Earth MOID = .929627 au 
 Jupiter MOID = 2.67207 au 
 T_jup = 3.545 
[ 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 18.1   n/a MPO440907  

477342 (2009 UK19)          Discovered 2009-Oct-23 by Lowe, A. at Mayhill
Reference: Last Updated: 2016-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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