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(2020 HF)
Classification: Aten [NEO]          SPK-ID: 54016545
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2781330041925947 0.00018168  
a .8819215429560041 2.9657e-05 au
q .6366300547514823 0.00018141 au
i .3144677317885664 0.00016215 deg
node 269.0544331907082 0.064366 deg
peri 72.85636681113618 0.066436 deg
M 182.421774437806 0.037361 deg
tp 2459349.721212719954
(2021-May-15.22121272)
0.038866 TDB
period 302.512520378625
0.83
0.015259
4.178e-05
d
yr
n 1.190033389525245 6.0027e-05 deg/d
Q 1.127213031160526 3.7905e-05 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      2 days  
   first obs. used      2020-04-16  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .51659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-18 07:44:17  

Additional Information
 Earth MOID = .00192521 au 
 Jupiter MOID = 4.21899 au 
 T_jup = 6.691 
[ 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 25.2   .33783 E2020H25 autocmod 2.8

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