Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 23.  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)
 12/24/2021   06:24:02   (  80.64, 117.61) 12/24/2021   06:23:18  (  80.64, 117.68)    1.40                44
 12/24/2021   07:13:29   ( -80.64, -74.78) 12/24/2021   07:14:21  ( -80.63, -74.66)    2.32                52
 12/26/2021   12:47:12   (  80.63,  21.68) 12/26/2021   12:47:22  (  80.64,  21.74)    2.25                10
 12/28/2021   18:20:55   ( -80.64, 118.39) 12/28/2021   18:20:30  ( -80.65, 118.26)    2.85                25
 12/28/2021   19:10:21   (  80.64, -73.96) 12/28/2021   19:11:25  (  80.63, -73.87)    1.84                64
 12/30/2021   23:54:37   (  80.65,-144.94) 12/30/2021   23:53:30  (  80.65,-144.75)    3.42                67
 12/31/2021   00:44:04   ( -80.65,  22.71) 12/31/2021   00:44:32  ( -80.64,  22.84)    2.76                28
 01/02/2022   06:17:46   (  80.65, 119.32) 01/02/2022   06:17:34  (  80.65, 119.25)    1.23                12
 01/04/2022   11:51:29   ( -80.66,-144.07) 01/04/2022   11:50:40  ( -80.66,-144.06)    0.19                49