Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 8 4.  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)
 08/04/2021   18:33:11   ( -80.48, 113.76) 08/04/2021   18:32:04  ( -80.47, 113.90)    2.86                67
 08/04/2021   19:22:38   (  80.45, -78.88) 08/04/2021   19:22:59  (  80.47, -78.85)    2.10                21
 08/07/2021   00:56:23   ( -80.46,  17.83) 08/07/2021   00:56:12  ( -80.47,  17.92)    1.64                11
 08/09/2021   06:30:07   (  80.48, 114.53) 08/09/2021   06:29:15  (  80.48, 114.56)    0.51                52
 08/09/2021   07:19:35   ( -80.45, -78.11) 08/09/2021   07:20:20  ( -80.47, -78.10)    2.56                45
 08/11/2021   12:53:19   (  80.46,  18.55) 08/11/2021   12:53:23  (  80.48,  18.55)    2.44                 4
 08/13/2021   18:27:04   ( -80.47, 115.28) 08/13/2021   18:26:36  ( -80.49, 115.16)    2.74                28
 08/13/2021   19:16:30   (  80.47, -77.12) 08/13/2021   19:17:30  (  80.47, -77.14)    0.39                60
 08/16/2021   00:00:47   (  80.48,-148.12) 08/15/2021   23:59:38  (  80.49,-148.11)    1.75                69