Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 8 20.  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)
 08/20/2021   11:57:43   ( -80.49,-147.24) 08/20/2021   11:56:57  ( -80.49,-147.21)    0.48                46
 08/20/2021   12:47:10   (  80.46,  20.12) 08/20/2021   12:47:53  (  80.48,  20.21)    2.85                43
 08/22/2021   18:20:54   ( -80.50, 117.04) 08/22/2021   18:21:04  ( -80.49, 116.94)    2.08                10
 08/24/2021   23:54:38   (  80.50,-146.37) 08/24/2021   23:54:09  (  80.50,-146.51)    2.51                29
 08/25/2021   00:44:06   ( -80.47,  20.98) 08/25/2021   00:45:11  ( -80.48,  21.07)    2.16                65
 08/27/2021   05:28:23   ( -80.50, -49.77) 08/27/2021   05:27:19  ( -80.50, -49.76)    0.17                64
 08/27/2021   06:17:49   (  80.50, 117.86) 08/27/2021   06:18:16  (  80.49, 117.76)    2.17                27
 08/29/2021   11:51:34   ( -80.50,-145.54) 08/29/2021   11:51:26  ( -80.50,-145.68)    2.54                 8
 08/31/2021   17:25:18   (  80.50, -49.04) 08/31/2021   17:24:32  (  80.51, -49.02)    1.18                46
 08/31/2021   18:14:45   ( -80.50, 118.67) 08/31/2021   18:15:32  ( -80.48, 118.73)    2.51                47