Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 10.  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)
 07/11/2021   02:04:10   (  80.45,-179.31) 07/11/2021   02:03:29  (  80.44,-179.49)    3.38                41
 07/11/2021   02:53:38   ( -80.41, -12.03) 07/11/2021   02:54:30  ( -80.43, -11.95)    2.42                52
 07/13/2021   07:37:57   ( -80.37, -83.52) 07/13/2021   07:36:43  ( -80.50, -83.89)   16.27                74
 07/13/2021   08:27:21   (  80.44,  84.79) 07/13/2021   08:27:37  (  80.44,  84.69)    1.88                16
 07/15/2021   14:01:05   ( -80.45,-178.49) 07/15/2021   14:00:48  ( -80.44,-178.52)    1.57                17
 07/15/2021   14:50:32   (  80.42, -11.14) 07/15/2021   14:51:45  (  80.43, -11.16)    1.28                73
 07/17/2021   19:34:49   (  80.44, -82.07) 07/17/2021   19:33:54  (  80.45, -81.96)    2.50                55
 07/17/2021   20:24:16   ( -80.44,  85.59) 07/17/2021   20:24:57  ( -80.44,  85.46)    2.53                41
 07/20/2021   01:57:59   (  80.45,-177.71) 07/20/2021   01:58:02  (  80.45,-177.85)    2.57                 3
 07/22/2021   07:31:44   ( -80.44, -81.28) 07/22/2021   07:31:15  ( -80.46, -81.30)    2.57                29