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(2020 HB1)
Classification: Apollo [NEO]          SPK-ID: 54016577
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5722722149215944 0.00097136  
a 2.37699001432797 0.005439 au
q 1.01670467398199 1.7521e-05 au
i 1.371157494234314 0.0018008 deg
node 64.95513854648316 0.0071844 deg
peri 147.6786032947543 0.0036578 deg
M 358.7385438627272 0.0037656 deg
tp 2458961.190391736658
(2020-Apr-21.69039174)
0.0021038 TDB
period 1338.564992713469
3.66
4.5944
0.01258
d
yr
n .2689447295870385 0.0009231 deg/d
Q 3.737275354673949 0.0085517 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      5 days  
   first obs. used      2020-04-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .49287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-21 06:33:40  

Additional Information
 Earth MOID = .0157981 au 
 Jupiter MOID = 1.23091 au 
 T_jup = 3.297 
[ 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 27.018   .26353 2 autocmod 2.8

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