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JPL Small-Body Database Browser
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(2019 KE2)
Classification: Apollo [NEO]          SPK-ID: 3842589
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 2458631.5 (2019-May-28.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2849188818270684 0.0018957  
a 1.345008522341285 0.0033134 au
q .9617901981079284 0.00018038 au
i 14.54043519581445 0.068488 deg
node 67.17893305858681 0.014683 deg
peri 225.7286141419607 0.031393 deg
M 331.844807354846 0.14285 deg
tp 2458676.059671816009
(2019-Jul-11.55967182)
0.061427 TDB
period 569.7521610289626
1.56
2.1053
0.005764
d
yr
n .6318536806422045 0.0023348 deg/d
Q 1.728226846574642 0.0042574 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      7 days  
   first obs. used      2019-05-27  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .43744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-03 06:43:38  

Additional Information
 Earth MOID = .01416 au 
 Jupiter MOID = 3.46263 au 
 T_jup = 4.812 
[ 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 24.348   .39148 4 autocmod 2.6q

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