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(2020 HF5)
Classification: Apollo [NEO]          SPK-ID: 54016727
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2107977286515494 7.4268e-05  
a 1.215619019063411 0.0001055 au
q .9593692909392196 7.037e-06 au
i 11.17181248335535 0.0031297 deg
node 212.8384492102438 5.0393e-05 deg
peri 317.2757385157078 0.0030813 deg
M 56.24697165752142 0.010397 deg
tp 2458924.012353076526
(2020-Mar-15.51235308)
0.0041844 TDB
period 489.5472961657383
1.34
0.063727
0.0001745
d
yr
n .7353732781686543 9.5728e-05 deg/d
Q 1.471868747187603 0.00012773 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      3 days  
   first obs. used      2020-04-23  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .34883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-27 07:39:34  

Additional Information
 Earth MOID = .000193456 au 
 Jupiter MOID = 3.51 au 
 T_jup = 5.207 
[ 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 26.681   .31617 4 autocmod 2.8

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