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

[ hide orbit diagram ]

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 2458956.5 (2020-Apr-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5868851954415456 0.0024639  
a 2.039615785791522 0.010975 au
q .8425954767216032 0.0004917 au
i .9465407098239358 0.0025685 deg
node 256.8723406015586 0.09127 deg
peri 9.435386781200462 0.082283 deg
M 345.3514205590081 0.13189 deg
tp 2458999.792631382201
(2020-May-30.29263138)
0.040406 TDB
period 1063.949399351248
2.91
8.5876
0.02351
d
yr
n .3383619561414416 0.0027311 deg/d
Q 3.236636094861442 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .27591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:24:58  

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 6.070847436109686E-6 -1.210953671615047E-6 -9.94388880663694E-5 .0001632999990324796 -.0001395218471490106 6.096598015285035E-6
q -1.210953671615047E-6 2.41767682989036E-7 1.980614353509552E-5 -3.3469032958825E-5 2.867966303167196E-5 -1.206311082931815E-6
tp -9.94388880663694E-5 1.980614353509552E-5 .001632645180093901 -.002553989736507242 .002170672447970156 -.0001011804385310599
node .0001632999990324796 -3.3469032958825E-5 -.002553989736507242 .008330180374333621 -.007498827954280277 .0001207788968184478
peri -.0001395218471490106 2.867966303167196E-5 .002170672447970156 -.007498827954280277 .006770455008730677 -9.899405321457932E-5
i 6.096598015285035E-6 -1.206311082931815E-6 -.0001011804385310599 .0001207788968184478 -9.899405321457932E-5 6.59715509704003E-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 25.2   .44003 E2020H25 autocmod 2.8

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