Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 9 12.  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   ( -80.52, -46.53) 09/14/2021   05:16:13  ( -80.51, -46.46)    1.67                 7
 09/16/2021   10:49:50   (  80.52,  50.03) 09/16/2021   10:49:23  (  80.52,  50.11)    1.45                27
 09/16/2021   11:39:17   ( -80.52,-142.33) 09/16/2021   11:40:19  ( -80.50,-142.19)    3.33                62
 09/18/2021   16:23:34   ( -80.54, 146.86) 09/18/2021   16:22:27  ( -80.53, 146.80)    2.21                67
 09/18/2021   17:13:01   (  80.51, -45.80) 09/18/2021   17:13:30  (  80.52, -45.81)    0.58                29
 09/20/2021   22:46:45   ( -80.54,  51.02) 09/20/2021   22:46:33  ( -80.52,  51.06)    2.45                12
 09/23/2021   04:20:29   (  80.53, 147.47) 09/23/2021   04:19:45  (  80.54, 147.34)    2.85                44
 09/23/2021   05:09:57   ( -80.50, -45.17) 09/23/2021   05:10:40  ( -80.52, -45.04)    3.48                43