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JPL Small-Body Database Browser
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(2018 JK)
Classification: Apollo [NEO]          SPK-ID: 3819741
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 2458246.5 (2018-May-08.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5257860806846369 0.0019035  
a 1.927841472536732 0.0072225 au
q .9142092605103447 0.00024466 au
i 11.51922341346624 0.026752 deg
node 70.9427603242781 0.0073178 deg
peri 208.7446278123743 0.0061693 deg
M 343.9427959947574 0.099447 deg
tp 2458290.108668773530
(2018-Jun-20.60866877)
0.025018 TDB
period 977.6995268506935
2.68
5.4943
0.01504
d
yr
n .3682112858943588 0.0020692 deg/d
Q 2.94147368456312 0.01102 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      12 days  
   first obs. used      2018-05-05  
   last obs. used      2018-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .34622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:28:32  

Additional Information
 Earth MOID = .0414494 au 
 Jupiter MOID = 2.24478 au 
 T_jup = 3.714 
[ 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 23.2   n/a MPO448883  

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