Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 22.  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   (  80.63, 117.53) 12/24/2021   06:23:18  (  80.65, 117.59)    2.10                44
 12/24/2021   07:13:29   ( -80.63, -74.85) 12/24/2021   07:14:21  ( -80.63, -74.74)    1.98                52
 12/26/2021   12:47:11   (  80.65,  21.94) 12/26/2021   12:47:21  (  80.63,  22.00)    1.95                10
 12/28/2021   18:20:54   ( -80.66, 118.66) 12/28/2021   18:20:29  ( -80.64, 118.53)    3.00                25
 12/28/2021   19:10:21   (  80.63, -74.02) 12/28/2021   19:11:25  (  80.64, -73.96)    1.18                64
 12/30/2021   23:54:37   (  80.64,-144.99) 12/30/2021   23:53:30  (  80.65,-144.85)    2.80                67
 12/31/2021   00:44:04   ( -80.64,  22.67) 12/31/2021   00:44:32  ( -80.64,  22.75)    1.62                28
 01/02/2022   06:17:46   (  80.65, 119.29) 01/02/2022   06:17:34  (  80.65, 119.15)    2.61                12
 01/04/2022   11:51:29   ( -80.65,-144.08) 01/04/2022   11:50:40  ( -80.66,-144.17)    1.75                49