Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 18.  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)
 07/20/2021   01:58:02   (  80.45,-177.77) 07/20/2021   01:58:02  (  80.45,-177.83)    1.12                 0
 07/22/2021   07:31:48   ( -80.44, -81.23) 07/22/2021   07:31:15  ( -80.46, -81.33)    2.61                33
 07/22/2021   08:21:14   (  80.45,  86.44) 07/22/2021   08:22:10  (  80.44,  86.28)    2.91                56
 07/24/2021   13:05:33   (  80.44,  15.33) 07/24/2021   13:04:19  (  80.46,  15.44)    3.04                74
 07/24/2021   13:55:00   ( -80.45,-177.00) 07/24/2021   13:55:23  ( -80.45,-177.10)    1.97                23
 07/26/2021   19:28:45   (  80.44, -80.46) 07/26/2021   19:28:27  (  80.46, -80.48)    2.13                18
 07/29/2021   01:02:30   ( -80.48,  16.45) 07/29/2021   01:01:40  ( -80.46,  16.31)    3.21                50
 07/29/2021   01:51:57   (  80.44,-176.25) 07/29/2021   01:52:35  (  80.46,-176.41)    3.46                38