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JPL Small-Body Database Browser
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(2019 KA4)
Classification: Amor [NEO]          SPK-ID: 3842639
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4224772538770358 4.7729e-05  
a 1.780676382807918 0.00014939 au
q 1.028381114555535 1.2867e-06 au
i 7.652280337497861 0.0006231 deg
node 248.3949673310279 0.00010315 deg
peri 12.1254149019408 0.0001663 deg
M 341.2044763955462 0.0023703 deg
tp 2458645.813525524778
(2019-Jun-11.31352552)
3.4841e-05 TDB
period 867.9124632130206
2.38
0.10922
0.000299
d
yr
n .4147883747023017 5.2198e-05 deg/d
Q 2.5329716510603 0.0002125 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      11 days  
   first obs. used      2019-05-29  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-25 05:57:31  

Additional Information
 Earth MOID = .0192295 au 
 Jupiter MOID = 2.55078 au 
 T_jup = 3.973 
[ 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 25.927   .59388 9 autocmod 2.8

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