Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 9 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)
 09/05/2021   05:22:15   ( -80.50, -48.22) 09/05/2021   05:21:47  ( -80.52, -48.38)    3.35                28
 09/05/2021   06:11:42   (  80.48, 119.15) 09/05/2021   06:12:46  (  80.50, 119.28)    3.35                64
 09/07/2021   10:55:59   (  80.51,  48.43) 09/07/2021   10:54:54  (  80.51,  48.52)    1.65                65
 09/07/2021   11:45:26   ( -80.51,-143.93) 09/07/2021   11:45:53  ( -80.51,-144.05)    2.30                27
 09/09/2021   17:19:10   (  80.52, -47.32) 09/09/2021   17:19:01  (  80.51, -47.32)    0.81                 9
 09/11/2021   22:52:55   ( -80.52,  49.28) 09/11/2021   22:52:07  ( -80.52,  49.29)    0.15                48
 09/11/2021   23:42:21   (  80.52,-143.09) 09/11/2021   23:43:08  (  80.51,-143.19)    2.43                47
 09/14/2021   05:16:06   ( -80.52, -46.49) 09/14/2021   05:16:13  ( -80.51, -46.44)    1.77                 7
 09/16/2021   10:49:50   (  80.52,  50.02) 09/16/2021   10:49:23  (  80.52,  50.07)    1.22                27