Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 8 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)
 08/13/2021   18:27:03   ( -80.48, 115.38) 08/13/2021   18:26:35  ( -80.48, 115.32)    1.17                28
 08/13/2021   19:16:30   (  80.46, -77.27) 08/13/2021   19:17:30  (  80.47, -77.27)    2.01                60
 08/16/2021   00:00:47   (  80.49,-147.97) 08/15/2021   23:59:38  (  80.48,-147.89)    1.79                69
 08/16/2021   00:50:15   ( -80.46,  19.38) 08/16/2021   00:50:42  ( -80.47,  19.55)    3.31                27
 08/18/2021   06:23:59   (  80.47, 116.00) 08/18/2021   06:23:46  (  80.49, 116.07)    2.46                13
 08/20/2021   11:57:44   ( -80.48,-147.35) 08/20/2021   11:56:58  ( -80.50,-147.34)    2.17                46
 08/20/2021   12:47:10   (  80.47,  20.26) 08/20/2021   12:47:53  (  80.48,  20.37)    2.13                43
 08/22/2021   18:20:55   ( -80.48, 116.91) 08/22/2021   18:21:05  ( -80.49, 116.81)    2.07                10
 08/24/2021   23:54:38   (  80.51,-146.26) 08/24/2021   23:54:09  (  80.49,-146.34)    2.42                29