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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 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 6.070846746264558E-6 -1.21095353687606E-6 -9.943887679642741E-5 .0001632999899523844 -.0001395218404161667 6.096597341002516E-6
q -1.21095353687606E-6 2.417676566796735E-7 1.980614133430383E-5 -3.346903117087019E-5 2.867966170135091E-5 -1.20631095101071E-6
tp -9.943887679642741E-5 1.980614133430383E-5 .001632644995974399 -.002553989594668428 .002170672344434565 -.0001011804275691239
node .0001632999899523844 -3.346903117087019E-5 -.002553989594668428 .008330179993667586 -.00749882760998907 .0001207788885910289
peri -.0001395218404161667 2.867966170135091E-5 .002170672344434565 -.00749882760998907 .006770454692930913 -9.899404734861973E-5
i 6.096597341002516E-6 -1.20631095101071E-6 -.0001011804275691239 .0001207788885910289 -9.899404734861973E-5 6.597154476941914E-6

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

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