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43791 (1990 UK5)
Classification: Main-belt Asteroid          SPK-ID: 2043791
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323724705725667 2.9996e-08  
a 2.597347080710576 9.171e-09 au
q 1.993795122631415 8.1166e-08 au
i 6.027612851355873 3.1048e-06 deg
node 112.2689036382457 3.9731e-05 deg
peri 302.702160329416 4.1026e-05 deg
M 106.061102789807 1.0626e-05 deg
tp 2458946.049528041180
(2020-Apr-06.54952804)
4.3799e-05 TDB
period 1528.950441205104
4.19
8.0978e-06
2.217e-08
d
yr
n .235455636950699 1.2471e-09 deg/d
Q 3.200899038789736 1.1302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1445  
   data-arc span      11217 days (30.71 yr)  
   first obs. used      1990-10-16  
   last obs. used      2021-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:44  

Additional Information
 Earth MOID = 1.01284 au 
 Jupiter MOID = 2.1811 au 
 T_jup = 3.370 
[ 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 14.84   n/a MPCxxxxx  

43791 (1990 UK5)          Discovered 1990-Oct-16 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 UK5 = 1998 QR31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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