Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 4 29.  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)
 04/30/2021   06:11:05   (  80.37, 117.65) 04/30/2021   06:10:12  (  80.35, 117.76)    3.18                53
 04/30/2021   07:00:33   ( -80.33, -75.03) 04/30/2021   07:01:12  ( -80.34, -74.98)    1.54                39
 05/02/2021   12:34:15   (  80.34,  21.57) 05/02/2021   12:34:24  (  80.36,  21.60)    2.10                 9
 05/04/2021   18:07:57   ( -80.37, 118.46) 05/04/2021   18:07:34  ( -80.36, 118.36)    2.27                23
 05/04/2021   18:57:24   (  80.34, -74.22) 05/04/2021   18:58:35  (  80.35, -74.24)    1.37                71
 05/06/2021   23:41:39   (  80.37,-145.01) 05/06/2021   23:40:47  (  80.37,-145.07)    1.20                52
 05/07/2021   00:31:07   ( -80.34,  22.35) 05/07/2021   00:31:45  ( -80.36,  22.32)    2.82                38
 05/09/2021   06:04:48   (  80.36, 119.15) 05/09/2021   06:04:58  (  80.37, 119.03)    2.23                10
 05/11/2021   11:38:31   ( -80.36,-144.30) 05/11/2021   11:38:06  ( -80.36,-144.12)    3.31                25