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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7085483649946795 0.00091075  
a 16.59995889396717 0.05407 au
q 4.838085160667843 0.00066099 au
i 147.2958101903651 0.0005802 deg
node 290.150692447142 0.003513 deg
peri 104.5416821612868 0.039423 deg
M 4.537467063045733 0.017869 deg
tp 2459085.134901138365
(2020-Aug-23.63490114)
0.34996 TDB
period 24703.52600531019
67.63
120.7
0.3305
d
yr
n .01457281846820634 7.12e-05 deg/d
Q 28.3618326272665 0.092381 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .43786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:56  

Additional Information
 Earth MOID = 4.02053 au 
 Jupiter MOID = 1.11951 au 
 T_jup = -1.808 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.99   .4606 MPO545532 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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