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(2020 HN3)
Classification: Apollo [NEO]          SPK-ID: 54016668
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152827033874352 0.00013425  
a 1.019150733215222 5.096e-05 au
q .9016602815308842 9.1857e-05 au
i 2.920971474405916 0.0042559 deg
node 29.77840825634408 0.0033868 deg
peri 277.6470994868453 0.012593 deg
M 315.3141740527001 0.021939 deg
tp 2459047.146960184845
(2020-Jul-16.64696018)
0.019404 TDB
period 375.7993795694638
1.03
0.028186
7.717e-05
d
yr
n .9579579413154848 7.185e-05 deg/d
Q 1.136641184899559 5.6835e-05 au
  Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      3 days  
   first obs. used      2020-04-19  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .59607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-22 07:42:44  

Additional Information
 Earth MOID = .0014573 au 
 Jupiter MOID = 3.96451 au 
 T_jup = 5.984 
[ 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 29.584   .23954 1 autocmod 2.8

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