Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 10 5.  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)
 10/06/2021   16:11:18   ( -80.55, 149.96) 10/06/2021   16:11:18  ( -80.54, 149.91)    1.03                 0
 10/08/2021   21:45:02   (  80.56,-113.34) 10/08/2021   21:44:30  (  80.55,-113.41)    1.87                32
 10/08/2021   22:34:30   ( -80.53,  53.94) 10/08/2021   22:35:24  ( -80.54,  54.05)    2.55                54
 10/11/2021   03:18:48   ( -80.53, -17.09) 10/11/2021   03:17:38  ( -80.65, -19.21)   40.73                70
 10/11/2021   04:08:14   (  80.54, 150.59) 10/11/2021   04:08:36  (  80.55, 150.67)    2.04                22
 10/13/2021   09:41:58   ( -80.57,-112.53) 10/13/2021   09:41:37  ( -80.56,-112.64)    2.42                21
 10/15/2021   15:15:42   (  80.57, -15.96) 10/15/2021   15:14:48  (  80.55, -15.85)    2.34                54
 10/15/2021   16:05:10   ( -80.54, 151.37) 10/15/2021   16:05:43  ( -80.55, 151.45)    2.32                33