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(2020 HN5)
Classification: Amor [NEO]          SPK-ID: 54016733
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4849204612971114 2.5067e-05  
a 1.984883134066171 9.7707e-05 au
q 1.022372689073947 5.7336e-07 au
i 5.729457910876921 0.00021797 deg
node 212.3384325838821 7.6544e-05 deg
peri 11.777851773971 0.00014628 deg
M 148.883415749647 0.011017 deg
tp 2458974.079815107864
(2020-May-04.57981511)
7.3121e-05 TDB
period 1021.41172537902
2.80
0.07542
0.0002065
d
yr
n .3524533653325871 2.6025e-05 deg/d
Q 2.947393579058395 0.00014509 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      20 days  
   first obs. used      2020-04-23  
   last obs. used      2020-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .56383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:26  

Additional Information
 Earth MOID = .0204419 au 
 Jupiter MOID = 2.03543 au 
 T_jup = 3.696 
[ 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 25.0   .47632 E2020-QF4 autocmod 2.8

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