Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 6 30.  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)
 07/02/2021   02:59:48   ( -80.43, -13.39) 07/02/2021   02:59:54  ( -80.42, -13.50)    2.25                 6
 07/04/2021   08:33:32   (  80.43,  83.17) 07/04/2021   08:33:04  (  80.44,  83.00)    3.26                28
 07/04/2021   09:22:59   ( -80.43,-109.21) 07/04/2021   09:24:03  ( -80.42,-109.35)    2.88                64
 07/06/2021   14:07:16   ( -80.45, 179.96) 07/06/2021   14:06:13  ( -80.44, 179.83)    3.02                63
 07/06/2021   14:56:43   (  80.42, -12.69) 07/06/2021   14:57:12  (  80.43, -12.75)    1.21                29
 07/08/2021   20:30:28   ( -80.41,  83.79) 07/08/2021   20:30:22  ( -80.43,  83.93)    3.36                 6
 07/11/2021   02:04:11   (  80.43,-179.45) 07/11/2021   02:03:30  (  80.45,-179.60)    3.32                41
 07/11/2021   02:53:38   ( -80.44, -11.78) 07/11/2021   02:54:30  ( -80.41, -11.66)    3.31                52
 07/13/2021   07:37:57   ( -80.39, -83.29) 07/13/2021   07:36:43  ( -80.49, -83.58)   11.82                74