Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 9 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)
 09/14/2021   05:16:06   ( -80.53, -46.45) 09/14/2021   05:16:13  ( -80.51, -46.38)    2.59                 7
 09/16/2021   10:49:50   (  80.53,  50.12) 09/16/2021   10:49:23  (  80.52,  50.19)    1.74                27
 09/16/2021   11:39:18   ( -80.50,-142.57) 09/16/2021   11:40:20  ( -80.51,-142.46)    2.79                62
 09/18/2021   16:23:35   ( -80.52, 146.63) 09/18/2021   16:22:28  ( -80.54, 146.52)    2.72                67
 09/18/2021   17:13:01   (  80.52, -45.71) 09/18/2021   17:13:30  (  80.52, -45.74)    0.95                29
 09/20/2021   22:46:46   ( -80.52,  50.79) 09/20/2021   22:46:34  ( -80.53,  50.77)    1.50                12
 09/23/2021   04:20:29   (  80.54, 147.58) 09/23/2021   04:19:45  (  80.54, 147.40)    3.37                44
 09/23/2021   05:09:57   ( -80.51, -45.07) 09/23/2021   05:10:40  ( -80.52, -44.99)    1.88                43