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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5712878363426767 6.9082e-05  
a 1.848121071216667 0.00022793 au
q .7923119831419874 3.0056e-05 au
i 4.73285986776976 0.00097278 deg
node 38.55187537810406 7.0904e-06 deg
peri 245.659150570082 0.0023409 deg
M 73.69877127934693 0.013363 deg
tp 2459012.632437194038
(2020-Jun-12.13243719)
0.00070696 TDB
period 917.6858913128103
2.51
0.16977
0.0004648
d
yr
n .3922910915465816 7.2571e-05 deg/d
Q 2.903930159291346 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .31387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-01 06:00:34  

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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