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(2019 LU)
Classification: Apollo [NEO]          SPK-ID: 3842691
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4783826032327209 5.0271e-06  
a 1.912468410120358 1.8369e-05 au
q .9975767934866384 7.7264e-08 au
i 3.916861326664566 1.7451e-05 deg
node 91.92484196350524 9.7575e-05 deg
peri 194.1765778006601 0.00011731 deg
M 123.6551287814258 0.0017651 deg
tp 2458668.682363480523
(2019-Jul-04.18236348)
4.8246e-05 TDB
period 966.0282620234899
2.64
0.013918
3.811e-05
d
yr
n .3726599046345978 5.3691e-06 deg/d
Q 2.827360026754078 2.7157e-05 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      39 days  
   first obs. used      2019-05-10  
   last obs. used      2019-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29538  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-27 14:02:16  

Additional Information
 Earth MOID = .00513348 au 
 Jupiter MOID = 2.36645 au 
 T_jup = 3.783 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458635.5 (2019-Jun-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4810254914377384 4.9692e-06  
q .9977530131092276 8.2149e-08 au
tp 2458668.531132451782
(2019-Jul-04.03113245)
4.3513e-05 TDB
node 92.11088919336432 9.4352e-05 deg
peri 193.8091065069992 0.00010904 deg
i 3.836818741208227 1.9162e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      54  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      39 days  
   first obs. used      2019-05-10  
   last obs. used      2019-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .29538  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-27 14:02:16  

Additional Information
 Jupiter MOID = 2.36645 au 
 T_jup = 3.783 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.469291567831534E-11 -2.187775736894091E-13 -1.939523488073429E-10 4.258149282463351E-10 -4.74528967710044E-10 8.710788387200532E-11
q -2.187775736894091E-13 6.748376308852484E-15 4.654678480406567E-13 -2.455336250303215E-12 1.307625857367634E-12 -1.001280711223082E-12
tp -1.939523488073429E-10 4.654678480406567E-13 1.893410716361987E-9 -3.58619263439075E-9 4.426567119499662E-9 -6.315074140298032E-10
node 4.258149282463351E-10 -2.455336250303215E-12 -3.58619263439075E-9 8.902224355060018E-9 -1.006385571072382E-8 1.230173023011713E-9
peri -4.74528967710044E-10 1.307625857367634E-12 4.426567119499662E-9 -1.006385571072382E-8 1.18899827007537E-8 -1.335089446146119E-9
i 8.710788387200532E-11 -1.001280711223082E-12 -6.315074140298032E-10 1.230173023011713E-9 -1.335089446146119E-9 3.671755197242201E-10

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 25.1   .32056 MPO473672 autocmod 2.6q

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