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101400 (1998 UQ41)
Classification: Main-belt Asteroid          SPK-ID: 2101400
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857137401219194 5.9768e-08  
a 2.532127082744775 1.0283e-08 au
q 2.061876291744238 1.5313e-07 au
i 4.922302611688631 3.1396e-06 deg
node 91.1956813299285 6.5951e-05 deg
peri 271.2234836833615 6.6412e-05 deg
M 148.1190395045896 9.2219e-06 deg
tp 2458394.970841708547
(2018-Oct-03.47084171)
3.6224e-05 TDB
period 1471.725024102446
4.03
8.9652e-06
2.455e-08
d
yr
n .2446109117561221 1.4901e-09 deg/d
Q 3.002377873745313 1.2193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      7861 days (21.52 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:23  

Additional Information
 Earth MOID = 1.06642 au 
 Jupiter MOID = 2.4658 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457189.5 (2015-Jun-16.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853674414859771 6.0083e-08  
q 2.062508822624857 1.5392e-07 au
tp 2456918.809095002394
(2014-Sep-18.30909500)
3.39e-05 TDB
node 91.36610131065783 6.5965e-05 deg
peri 270.2920964013326 6.6423e-05 deg
i 4.922055724486349 3.1405e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      7861 days (21.52 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:23  

Additional Information
 Jupiter MOID = 2.4658 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.609941471297401E-15 -9.234510016547726E-15 -4.556740845057922E-13 -6.017453530305674E-14 -1.320490908789532E-13 -8.997057193858326E-15
q -9.234510016547726E-15 2.36900387396197E-14 1.195666345572457E-12 1.556537797336796E-13 3.46332795051368E-13 2.323196534490404E-14
tp -4.556740845057922E-13 1.195666345572457E-12 1.149200258151658E-9 2.10536675773371E-11 3.138102088905354E-10 1.092892972704648E-12
node -6.017453530305674E-14 1.556537797336796E-13 2.10536675773371E-11 4.351370768780018E-9 -4.328422756747607E-9 2.170168834914741E-11
peri -1.320490908789532E-13 3.46332795051368E-13 3.138102088905354E-10 -4.328422756747607E-9 4.412048596173663E-9 -2.115146118758051E-11
i -8.997057193858326E-15 2.323196534490404E-14 1.092892972704648E-12 2.170168834914741E-11 -2.115146118758051E-11 9.862462568334202E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO459474  

101400 (1998 UQ41)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 UQ41 = 2002 VV69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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