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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .23226699694527 3.0447e-08  
a 2.59761921832996 9.2526e-09 au
q 1.994278003281141 8.2468e-08 au
i 6.027712780435335 3.1236e-06 deg
node 112.270399172493 3.9792e-05 deg
peri 302.72919895 4.1093e-05 deg
M 59.89720002343265 1.0515e-05 deg
tp 2458946.071545198226
(2020-Apr-06.57154520)
4.3915e-05 TDB
period 1529.190741684181
4.19
8.1703e-06
2.237e-08
d
yr
n .235418636921325 1.2578e-09 deg/d
Q 3.20096043337878 1.1402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      11115 days (30.43 yr)  
   first obs. used      1990-10-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:58  

Additional Information
 Earth MOID = 1.01301 au 
 Jupiter MOID = 2.17994 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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