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(2020 HK6)
Classification: Apollo [NEO]          SPK-ID: 54016757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458961.5 (2020-Apr-22.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5298033833782092 0.00066762  
a 1.571132243691029 0.0017558 au
q .7387410652489248 0.00022336 au
i 2.187195761396224 0.0026011 deg
node 209.1151477186851 0.0001041 deg
peri 86.66584806842694 8.1601e-05 deg
M 331.2245722459274 0.059317 deg
tp 2459018.995893405074
(2020-Jun-18.49589341)
0.02214 TDB
period 719.3123870381796
1.97
1.2058
0.003301
d
yr
n .5004779654668896 0.00083895 deg/d
Q 2.403523422133133 0.002686 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      9 days  
   first obs. used      2020-04-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:32  

Additional Information
 Earth MOID = .00661417 au 
 Jupiter MOID = 2.83445 au 
 T_jup = 4.243 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.457169866411914E-7 -1.491161731221518E-7 -1.478124523020493E-5 6.205847743245332E-8 -5.71515821723413E-10 1.736408711075881E-6
q -1.491161731221518E-7 4.988755971117198E-8 4.945099133789436E-6 -2.07685245325977E-8 1.575072380322958E-10 -5.809294880653592E-7
tp -1.478124523020493E-5 4.945099133789436E-6 .0004901900781624009 -2.057078536671185E-6 2.161252496726987E-8 -5.758310138165572E-5
node 6.205847743245332E-8 -2.07685245325977E-8 -2.057078536671185E-6 1.083711952302904E-8 -7.097299439905535E-10 2.431549822159911E-7
peri -5.71515821723413E-10 1.575072380322958E-10 2.161252496726987E-8 -7.097299439905535E-10 6.658725779139265E-9 -1.737181514152121E-9
i 1.736408711075881E-6 -5.809294880653592E-7 -5.758310138165572E-5 2.431549822159911E-7 -1.737181514152121E-9 6.765934895186885E-6

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 27.6   .33996 E2020-HL1 autocmod 2.8

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