Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 8 13.  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)
 08/13/2021   18:27:03   ( -80.47, 115.24) 08/13/2021   18:26:35  ( -80.49, 115.17)    2.33                28
 08/13/2021   19:16:29   (  80.47, -77.09) 08/13/2021   19:17:29  (  80.46, -77.07)    1.14                60
 08/16/2021   00:00:47   (  80.48,-148.10) 08/15/2021   23:59:38  (  80.49,-148.04)    1.53                69
 08/16/2021   00:50:14   ( -80.48,  19.56) 08/16/2021   00:50:42  ( -80.48,  19.40)    2.90                28
 08/18/2021   06:23:58   (  80.49, 116.19) 08/18/2021   06:23:45  (  80.48, 116.27)    1.87                13
 08/20/2021   11:57:43   ( -80.50,-147.17) 08/20/2021   11:56:57  ( -80.49,-147.16)    0.82                46
 08/20/2021   12:47:10   (  80.46,  20.14) 08/20/2021   12:47:53  (  80.48,  20.22)    2.73                43
 08/22/2021   18:20:54   ( -80.50, 117.10) 08/22/2021   18:21:04  ( -80.48, 116.99)    2.83                10
 08/24/2021   23:54:38   (  80.50,-146.37) 08/24/2021   23:54:09  (  80.50,-146.51)    2.57                29