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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.


Orbital Elements at Epoch 2458631.5 (2019-May-28.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2849067572415936 0.0018955  
a 1.344987353129147 0.003313 au
q .9617913678181679 0.00018037 au
i 14.53999545017202 0.068484 deg
node 67.17902701672011 0.014682 deg
peri 225.728809366253 0.031392 deg
M 331.8438971829221 0.14284 deg
tp 2458676.060060271962
(2019-Jul-11.56006027)
0.061425 TDB
period 569.738710009838
1.56
2.1051
0.005763
d
yr
n .6318685981399854 0.0023346 deg/d
Q 1.728183338440127 0.0042569 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .4374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:20:19  

Additional Information
 Earth MOID = .0141595 au 
 Jupiter MOID = 3.46267 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 24.3   .39148 MPO473661 autocmod 2.6q

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