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(2020 HB3)
Classification: Apollo [NEO]          SPK-ID: 54016644
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 2458960.5 (2020-Apr-21.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4081678493145113 0.0018019  
a 1.515903744675813 0.004152 au
q .8971605734436726 0.00027423 au
i 11.27060247708424 0.034566 deg
node 43.7779248002384 0.0072354 deg
peri 230.5099551805001 0.018196 deg
M 333.2700408805698 0.13609 deg
tp 2459011.117612797038
(2020-Jun-10.61761280)
0.049759 TDB
period 681.7197334839061
1.87
2.8008
0.007668
d
yr
n .5280762493997818 0.0021696 deg/d
Q 2.134646915907954 0.0058467 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      6 days  
   first obs. used      2020-04-19  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .58334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-25 06:51:48  

Additional Information
 Earth MOID = .00319448 au 
 Jupiter MOID = 3.02695 au 
 T_jup = 4.399 
[ 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 25.108   .39361 3 autocmod 2.8

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