Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 17.  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)
 07/17/2021   19:34:50   (  80.45, -81.96) 07/17/2021   19:33:54  (  80.45, -81.94)    0.44                56
 07/17/2021   20:24:17   ( -80.45,  85.66) 07/17/2021   20:24:56  ( -80.43,  85.77)    3.06                39
 07/20/2021   01:58:02   (  80.45,-177.76) 07/20/2021   01:58:02  (  80.45,-177.81)    0.92                 0
 07/22/2021   07:31:48   ( -80.44, -81.24) 07/22/2021   07:31:15  ( -80.46, -81.30)    2.22                33
 07/22/2021   08:21:14   (  80.45,  86.42) 07/22/2021   08:22:10  (  80.44,  86.30)    2.25                56
 07/24/2021   13:05:32   (  80.47,  15.59) 07/24/2021   13:04:19  (  80.46,  15.46)    2.63                73
 07/24/2021   13:55:00   ( -80.44,-177.04) 07/24/2021   13:55:23  ( -80.45,-177.07)    1.15                23
 07/26/2021   19:28:44   (  80.47, -80.24) 07/26/2021   19:28:26  (  80.44, -80.11)    3.32                18
 07/29/2021   01:02:30   ( -80.46,  16.31) 07/29/2021   01:01:40  ( -80.46,  16.35)    0.84                50