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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4848656953023812 2.5055e-05  
a 1.98517037468198 9.7786e-05 au
q 1.022629360668113 6.3528e-07 au
i 5.728735372531183 0.00021775 deg
node 212.3411017675299 7.568e-05 deg
peri 11.79411689501383 0.00014746 deg
M 79.77780558514222 0.0059172 deg
tp 2458974.100902920216
(2020-May-04.60090292)
7.0188e-05 TDB
period 1021.633452448604
2.80
0.075486
0.0002067
d
yr
n .3523768717020461 2.6036e-05 deg/d
Q 2.947711388695846 0.0001452 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .56383  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:33:37  

Additional Information
 Earth MOID = .0192448 au 
 Jupiter MOID = 2.03632 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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