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(2020 HC6)
Classification: Apollo [NEO]          SPK-ID: 54016747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 .274935841694318 4.7101e-07  
a 1.349595036335308 8.4574e-07 au
q .9785429890739862 7.7926e-08 au
i 4.879968718722935 8.3529e-06 deg
node 224.4859878053798 6.6474e-06 deg
peri 35.81448923961204 3.7009e-05 deg
M 121.676517444411 0.00010379 deg
tp 2459006.943435244245
(2020-Jun-06.44343524)
3.3029e-05 TDB
period 572.6689485825043
1.57
0.00053831
1.474e-06
d
yr
n .6286354461702315 5.9091e-07 deg/d
Q 1.720647083596629 1.0783e-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 = .00526704 au 
 Jupiter MOID = 3.34011 au 
 T_jup = 4.831 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458970.5 (2020-May-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2721453714982677 4.728e-07  
q .9784237363667058 7.9354e-08 au
tp 2459007.268258062971
(2020-Jun-06.76825806)
3.4063e-05 TDB
node 224.7595143165487 6.0259e-06 deg
peri 35.84714428316443 3.8025e-05 deg
i 5.067550784759039 8.0916e-06 deg
  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
 Jupiter MOID = 3.34011 au 
 T_jup = 4.831 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.235359245515695E-13 -1.241553393257279E-14 -7.919243354803982E-12 1.335137060821833E-12 -6.830157423974828E-12 1.305343565087743E-12
q -1.241553393257279E-14 6.297069717239255E-15 -1.775539312832698E-12 -1.095037041542699E-13 -2.227080481693768E-12 -1.783370002460187E-13
tp -7.919243354803982E-12 -1.775539312832698E-12 1.160255064320358E-9 -2.923485549124966E-11 1.272777809426233E-9 -5.65508930621343E-12
node 1.335137060821833E-12 -1.095037041542699E-13 -2.923485549124966E-11 3.631126559824226E-11 -4.827324681656863E-11 2.256718449388182E-11
peri -6.830157423974828E-12 -2.227080481693768E-12 1.272777809426233E-9 -4.827324681656863E-11 1.445911804640068E-9 -6.131955278395421E-12
i 1.305343565087743E-12 -1.783370002460187E-13 -5.65508930621343E-12 2.256718449388182E-11 -6.131955278395421E-12 6.547426102163812E-11

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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