Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 25.  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)
 12/26/2021   12:47:12   (  80.64,  21.86) 12/26/2021   12:47:22  (  80.64,  21.92)    1.18                10
 12/28/2021   18:20:55   ( -80.65, 118.55) 12/28/2021   18:20:30  ( -80.65, 118.43)    2.33                25
 12/28/2021   19:10:22   (  80.63, -74.11) 12/28/2021   19:11:26  (  80.64, -74.05)    1.78                64
 12/30/2021   23:54:38   (  80.63,-145.08) 12/30/2021   23:53:31  (  80.66,-144.95)    3.39                67
 12/31/2021   00:44:05   ( -80.63,  22.56) 12/31/2021   00:44:33  ( -80.64,  22.64)    1.75                28
 01/02/2022   06:17:46   (  80.64, 119.19) 01/02/2022   06:17:34  (  80.66, 119.05)    3.34                12
 01/04/2022   11:51:28   ( -80.67,-143.87) 01/04/2022   11:50:39  ( -80.65,-143.94)    2.74                49
 01/04/2022   12:40:55   (  80.64,  23.43) 01/04/2022   12:41:37  (  80.65,  23.37)    1.21                42