Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 4 3.  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)
 04/03/2021   08:08:45   (  80.32,  87.87) 04/03/2021   08:07:52  (  80.31,  87.78)    1.79                53
 04/03/2021   08:58:12   ( -80.32,-104.51) 04/03/2021   08:58:56  ( -80.29,-104.59)    3.23                44
 04/05/2021   14:31:55   (  80.31,  -7.97) 04/05/2021   14:32:03  (  80.30,  -7.88)    2.58                 8
 04/07/2021   20:05:39   ( -80.31,  88.54) 04/07/2021   20:05:20  ( -80.31,  88.69)    2.81                19
 04/07/2021   20:55:05   (  80.31,-103.82) 04/07/2021   20:56:15  (  80.30,-103.87)    1.36                70
 04/10/2021   01:39:21   (  80.33,-174.68) 04/10/2021   01:38:28  (  80.33,-174.84)    2.93                53
 04/10/2021   02:28:49   ( -80.30,  -7.31) 04/10/2021   02:29:32  ( -80.31,  -7.39)    2.15                43
 04/12/2021   08:02:31   (  80.32,  89.43) 04/12/2021   08:02:39  (  80.31,  89.48)    1.44                 8
 04/14/2021   13:36:14   ( -80.31,-174.07) 04/14/2021   13:35:54  ( -80.32,-173.94)    2.55                20
 04/14/2021   14:25:40   (  80.31,  -6.48) 04/14/2021   14:26:50  (  80.31,  -6.53)    1.22                70
 04/16/2021   19:09:56   (  80.33, -77.39) 04/16/2021   19:09:03  (  80.34, -77.53)    3.33                53