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(2020 HS7)
Classification: Apollo [NEO]          SPK-ID: 54016805
[ 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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .571287836247711 6.9082e-05  
a 1.848121066523832 0.00022793 au
q .79231198130562 3.0056e-05 au
i 4.732859872263067 0.00097278 deg
node 38.55187502941769 7.0902e-06 deg
peri 245.6591511614924 0.0023409 deg
M 73.69877150544437 0.013363 deg
tp 2459012.632437333250
(2020-Jun-12.13243733)		 0.00070697 TDB
period 917.6858878174643
2.51		 0.16977
0.0004648		 d
yr
n .3922910930407673 7.2571e-05 deg/d
Q 2.903930151742043 0.00035814 au
   Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      1 day  
   first obs. used      2020-04-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .31387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:39  

Additional Information
 Earth MOID = 4.27262E-5 au 
 Jupiter MOID = 2.30251 au 
 T_jup = 3.790 
[ 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 29.1   .36116 MPO546172 autocmod 2.8

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