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(2020 HB)
Classification: Apollo [NEO]          SPK-ID: 54016542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2458956.5 (2020-Apr-17.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5868851884158213 0.0024639  
a 2.039615756759102 0.010975 au
q .8425954790576583 0.0004917 au
i .9465407122641255 0.0025685 deg
node 256.8723383587233 0.09127 deg
peri 9.435388857786728 0.082283 deg
M 345.3514202464517 0.13189 deg
tp 2458999.792631381577
(2020-May-30.29263138)
0.040406 TDB
period 1063.94937663445
2.91
8.5876
0.02351
d
yr
n .3383619633659397 0.0027311 deg/d
Q 3.236636034460545 0.017416 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      1 day  
   first obs. used      2020-04-16  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .27591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-17 18:12:06  

Additional Information
 Earth MOID = .0120176 au 
 Jupiter MOID = 1.87975 au 
 T_jup = 3.565 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.152   .44003 1 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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