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(2019 QK4)
Classification: Apollo [NEO]          SPK-ID: 3843641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8892533412774188 0.00019199  
a 2.546119383652676 0.0035212 au
q .2819742144483317 9.888e-05 au
i 20.40518854323339 0.013922 deg
node 308.4038034065771 0.02006 deg
peri 169.990913935128 0.016917 deg
M 50.56641557920615 0.10293 deg
tp 2458792.062315273518
(2019-Nov-04.56231527)
0.0081275 TDB
period 1483.940786429607
4.06
3.0784
0.008428
d
yr
n .2425972810317908 0.00050326 deg/d
Q 4.810264552857021 0.0066525 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      26 days  
   first obs. used      2019-08-27  
   last obs. used      2019-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:43:59  

Additional Information
 Earth MOID = .262793 au 
 Jupiter MOID = .387792 au 
 T_jup = 2.643 
[ 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 20.7   .47194 E2019X49 autocmod 2.8

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