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(2020 HK3)
Classification: Apollo [NEO]          SPK-ID: 54016662
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6584052900471161 9.1493e-07  
a 1.568594264977454 3.7291e-06 au
q .5358235029787304 5.6576e-07 au
i 21.82354772978627 3.6844e-05 deg
node 41.1137473500008 5.317e-06 deg
peri 279.382486045747 7.327e-05 deg
M 89.99208725932431 0.0002988 deg
tp 2459021.123235896638
(2020-Jun-20.62323590)
4.5426e-05 TDB
period 717.570144707576
1.96
0.0025589
7.006e-06
d
yr
n .5016931134261545 1.789e-06 deg/d
Q 2.601365026976177 6.1843e-06 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      11 days  
   first obs. used      2020-04-19  
   last obs. used      2020-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .38361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:15  

Additional Information
 Earth MOID = .00598394 au 
 Jupiter MOID = 3.06106 au 
 T_jup = 4.084 
[ 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 24.2   .33439 E2020R76 autocmod 2.8

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