Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 6 28.  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)
 06/29/2021   20:36:37   ( -80.44,  82.48) 06/29/2021   20:35:45  ( -80.42,  82.41)    2.21                52
 06/29/2021   21:26:04   (  80.41,-110.12) 06/29/2021   21:26:46  (  80.42,-110.22)    1.87                42
 07/02/2021   02:59:48   ( -80.44, -13.32) 07/02/2021   02:59:54  ( -80.42, -13.42)    2.97                 6
 07/04/2021   08:33:32   (  80.44,  83.23) 07/04/2021   08:33:04  (  80.43,  83.07)    2.89                28
 07/04/2021   09:22:59   ( -80.43,-109.14) 07/04/2021   09:24:03  ( -80.41,-109.26)    3.51                64
 07/06/2021   14:07:17   ( -80.43, 179.72) 07/06/2021   14:06:14  ( -80.45, 179.58)    3.41                63
 07/06/2021   14:56:43   (  80.43, -12.63) 07/06/2021   14:57:12  (  80.42, -12.67)    1.02                29
 07/08/2021   20:30:28   ( -80.42,  83.86) 07/08/2021   20:30:22  ( -80.43,  84.02)    3.06                 6
 07/11/2021   02:04:10   (  80.44,-179.39) 07/11/2021   02:03:29  (  80.45,-179.52)    2.44                41