Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 12.  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)
 07/13/2021   07:37:57   ( -80.39, -83.34) 07/13/2021   07:36:43  ( -80.49, -83.67)   13.11                74
 07/13/2021   08:27:22   (  80.42,  84.68) 07/13/2021   08:27:38  (  80.44,  84.57)    2.88                16
 07/15/2021   14:01:06   ( -80.44,-178.62) 07/15/2021   14:00:49  ( -80.44,-178.64)    0.76                17
 07/15/2021   14:50:32   (  80.44, -10.94) 07/15/2021   14:51:45  (  80.42, -10.93)    2.32                73
 07/17/2021   19:34:49   (  80.46, -81.87) 07/17/2021   19:33:54  (  80.44, -81.74)    3.03                55
 07/17/2021   20:24:16   ( -80.46,  85.77) 07/17/2021   20:24:57  ( -80.43,  85.67)    3.39                41
 07/20/2021   01:57:59   (  80.44,-177.83) 07/20/2021   01:58:02  (  80.45,-177.96)    2.93                 3
 07/22/2021   07:31:43   ( -80.45, -81.12) 07/22/2021   07:31:14  ( -80.45, -81.09)    0.68                29
 07/22/2021   08:21:09   (  80.45,  86.50) 07/22/2021   08:22:09  (  80.43,  86.48)    1.83                60
 07/24/2021   13:05:26   (  80.46,  15.51) 07/24/2021   13:04:18  (  80.46,  15.61)    1.89                68