Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 4 24.  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)
 04/25/2021   19:03:40   (  80.35, -75.67) 04/25/2021   19:03:49  (  80.34, -75.79)    2.26                 9
 04/28/2021   00:37:23   ( -80.36,  20.97) 04/28/2021   00:37:01  ( -80.35,  20.95)    1.17                22
 04/28/2021   01:26:50   (  80.32,-171.69) 04/28/2021   01:28:00  (  80.33,-171.56)    2.62                70
 04/30/2021   06:11:05   (  80.36, 117.59) 04/30/2021   06:10:12  (  80.35, 117.67)    1.99                53
 04/30/2021   07:00:33   ( -80.33, -75.05) 04/30/2021   07:01:12  ( -80.35, -75.03)    1.82                39
 05/02/2021   12:34:14   (  80.36,  21.84) 05/02/2021   12:34:23  (  80.34,  21.85)    2.62                 9
 05/04/2021   18:07:57   ( -80.37, 118.47) 05/04/2021   18:07:34  ( -80.36, 118.31)    3.18                23
 05/04/2021   18:57:24   (  80.34, -74.24) 05/04/2021   18:58:35  (  80.35, -74.32)    2.51                71
 05/06/2021   23:41:39   (  80.37,-145.01) 05/06/2021   23:40:47  (  80.37,-145.15)    2.65                52