Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 5.  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)
 05/06/2021   23:41:39   (  80.36,-145.11) 05/06/2021   23:40:47  (  80.38,-145.20)    2.86                52
 05/07/2021   00:31:06   ( -80.36,  22.51) 05/07/2021   00:31:44  ( -80.36,  22.48)    0.60                38
 05/09/2021   06:04:48   (  80.36, 119.08) 05/09/2021   06:04:57  (  80.36, 119.24)    3.00                 9
 05/11/2021   11:38:31   ( -80.35,-144.39) 05/11/2021   11:38:06  ( -80.38,-144.29)    3.04                25
 05/11/2021   12:27:57   (  80.35,  23.25) 05/11/2021   12:29:08  (  80.35,  23.32)    1.29                71
 05/13/2021   17:12:12   (  80.38, -47.57) 05/13/2021   17:11:20  (  80.38, -47.60)    0.54                52
 05/13/2021   18:01:40   ( -80.35, 119.78) 05/13/2021   18:02:16  ( -80.36, 119.94)    3.37                36
 05/15/2021   23:35:21   (  80.37,-143.43) 05/15/2021   23:35:31  (  80.38,-143.59)    3.06                10
 05/18/2021   05:09:04   ( -80.37, -46.90) 05/18/2021   05:08:38  ( -80.39, -46.95)    2.73                26