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(2019 SL7)
Classification: Apollo [NEO]          SPK-ID: 3872622
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6979974244684278 2.4018e-06  
a 2.484120940157406 1.8756e-05 au
q .7502109218594469 3.7077e-07 au
i 2.738508914413809 1.0497e-05 deg
node 198.5677302974287 3.2539e-05 deg
peri 244.1470080636861 6.4992e-05 deg
M 48.56880758763258 0.00053558 deg
tp 2458807.564355119683
(2019-Nov-20.06435512)
5.8284e-05 TDB
period 1430.070771895999
3.92
0.016197
4.434e-05
d
yr
n .2517357931333072 2.8511e-06 deg/d
Q 4.218030958455365 3.1848e-05 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      14 days  
   first obs. used      2019-09-26  
   last obs. used      2019-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .30006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:47  

Additional Information
 Earth MOID = .00212419 au 
 Jupiter MOID = 1.07699 au 
 T_jup = 3.083 
[ 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 25.7   .53962 E2019W94 autocmod 2.8

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