Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 21.  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)
 12/22/2021   00:50:20   ( -80.63,  20.96) 12/22/2021   00:50:19  ( -80.64,  20.89)    1.84                 1
 12/24/2021   06:24:02   (  80.65, 117.80) 12/24/2021   06:23:18  (  80.64, 117.89)    2.65                44
 12/24/2021   07:13:30   ( -80.62, -74.90) 12/24/2021   07:14:22  ( -80.63, -74.79)    2.24                52
 12/26/2021   12:47:12   (  80.64,  21.87) 12/26/2021   12:47:22  (  80.64,  21.94)    1.46                10
 12/28/2021   18:20:55   ( -80.66, 118.59) 12/28/2021   18:20:30  ( -80.65, 118.48)    2.30                25
 12/28/2021   19:10:22   (  80.63, -74.10) 12/28/2021   19:11:26  (  80.64, -74.02)    1.89                64
 12/30/2021   23:54:36   (  80.66,-144.75) 12/30/2021   23:53:30  (  80.65,-144.92)    3.21                66
 12/31/2021   00:44:04   ( -80.64,  22.59) 12/31/2021   00:44:32  ( -80.64,  22.69)    1.90                28