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JPL Small-Body Database Browser
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(2017 HK1)
Classification: Aten [NEO]          SPK-ID: 3774012
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470720452530761 1.5688e-05  
a .909019550503171 8.9549e-06 au
q .7753281860356377 2.1898e-05 au
i 1.509861332748386 0.00016025 deg
node 141.1406648331547 0.00065546 deg
peri 258.7301092721514 0.0010746 deg
M 286.7674548007174 0.01289 deg
tp 2458664.896148041392
(2019-Jun-30.39614804)
0.012286 TDB
period 316.5616220468096
0.87
0.0046777
1.281e-05
d
yr
n 1.137219343495679 1.6804e-05 deg/d
Q 1.042710914970704 1.0272e-05 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      38 days  
   first obs. used      2017-04-19  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .43253  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Aug-18 06:21:27  

Additional Information
 Earth MOID = .0145786 au 
 Jupiter MOID = 4.15813 au 
 T_jup = 6.551 
[ 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 25.1   n/a MPO419559  

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