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(2020 HC6)
Classification: Apollo [NEO]          SPK-ID: 54016747
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2748404060322502 4.7093e-07  
a 1.349693354935419 8.4588e-07 au
q .9787430852459382 7.7859e-08 au
i 4.879574055745273 8.3522e-06 deg
node 224.482073500346 6.6535e-06 deg
peri 35.81998377505874 3.703e-05 deg
M 244.879232305406 0.00021885 deg
tp 2459579.648036789840
(2021-Dec-31.14803679)
0.00051999 TDB
period 572.7315285045548
1.57
0.00053841
1.474e-06
d
yr
n .6285667578664424 5.909e-07 deg/d
Q 1.7206436246249 1.0784e-06 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      17 days  
   first obs. used      2020-04-24  
   last obs. used      2020-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .35074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:29  

Additional Information
 Earth MOID = .00628137 au 
 Jupiter MOID = 3.33891 au 
 T_jup = 4.831 
[ 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 25.4   .42066 MPO546171 autocmod 2.8

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