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(2020 HB11)
Classification: Centaur          SPK-ID: 54017270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7076312543189139 0.00091028  
a 16.5485257382507 0.053714 au
q 4.838271712963525 0.00066116 au
i 147.2975391274913 0.00058027 deg
node 290.1460651913986 0.0035146 deg
peri 104.5464863837809 0.039468 deg
M 358.7602539351245 0.010819 deg
tp 2459085.177422335294
(2020-Aug-23.67742234)
0.35046 TDB
period 24588.80322702824
67.32
119.72
0.3278
d
yr
n .01464081015558678 7.1283e-05 deg/d
Q 28.25877976353787 0.091724 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      37 days  
   first obs. used      2020-04-18  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43786  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 08:12:09  

Additional Information
 Earth MOID = 4.02006 au 
 Jupiter MOID = 1.11834 au 
 T_jup = -1.806 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458977.5 (2020-May-08.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7075673556199988 0.00091027  
q 4.838280536711557 0.00066114 au
tp 2459085.171598079159
(2020-Aug-23.67159808)
0.35048 TDB
node 290.1463405656495 0.0035146 deg
peri 104.5457839834779 0.039471 deg
i 147.2975314146842 0.00058028 deg
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      37 days  
   first obs. used      2020-04-18  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .43786  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 08:12:09  

Additional Information
 Jupiter MOID = 1.11834 au 
 T_jup = -1.806 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.285856816512102E-7 5.821120963535482E-7 -.0002779863753765335 2.625944830513849E-6 -2.949717520506788E-5 -5.269982006272718E-7
q 5.821120963535482E-7 4.371020554327586E-7 -.0002240619377307656 1.548780404988388E-6 -2.44888649089632E-5 -3.65630831603796E-7
tp -.0002779863753765335 -.0002240619377307656 .1228394742175154 -.0005745351651184742 .0137695114611883 .0001718133512046792
node 2.625944830513849E-6 1.548780404988388E-6 -.0005745351651184742 1.235256225328744E-5 -5.263427308955699E-5 -1.737056619050832E-6
peri -2.949717520506788E-5 -2.44888649089632E-5 .0137695114611883 -5.263427308955699E-5 .001557938372408977 1.809499186849121E-5
i -5.269982006272718E-7 -3.65630831603796E-7 .0001718133512046792 -1.737056619050832E-6 1.809499186849121E-5 3.367231493403699E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.947   .4606 1 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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