Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 8 6.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/07/2021   00:56:23   ( -80.46,  17.76) 08/07/2021   00:56:12  ( -80.47,  17.86)    2.32                11
 08/09/2021   06:30:07   (  80.47, 114.48) 08/09/2021   06:29:15  (  80.48, 114.51)    1.08                52
 08/09/2021   07:19:34   ( -80.47, -77.87) 08/09/2021   07:20:19  ( -80.46, -77.83)    1.77                45
 08/11/2021   12:53:18   (  80.48,  18.81) 08/11/2021   12:53:22  (  80.47,  18.83)    1.91                 4
 08/13/2021   18:27:03   ( -80.50, 115.51) 08/13/2021   18:26:35  ( -80.48, 115.42)    2.90                28
 08/13/2021   19:16:30   (  80.46, -77.19) 08/13/2021   19:17:30  (  80.47, -77.21)    0.95                60
 08/16/2021   00:00:47   (  80.50,-147.87) 08/15/2021   23:59:38  (  80.48,-147.86)    2.20                69
 08/16/2021   00:50:15   ( -80.48,  19.52) 08/16/2021   00:50:42  ( -80.47,  19.62)    2.10                27