Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 3 4.  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)
 03/05/2021   04:32:39   ( -80.26, -38.51) 03/05/2021   04:32:16  ( -80.25, -38.47)    1.45                23
 03/05/2021   05:22:06   (  80.23, 128.88) 03/05/2021   05:23:14  (  80.24, 128.95)    1.46                68
 03/07/2021   10:06:21   (  80.28,  58.20) 03/07/2021   10:05:27  (  80.27,  58.07)    2.79                54
 03/07/2021   10:55:49   ( -80.24,-134.49) 03/07/2021   10:56:29  ( -80.26,-134.52)    1.72                40
 03/09/2021   16:29:31   (  80.25, -37.81) 03/09/2021   16:29:39  (  80.26, -37.85)    1.42                 8
 03/11/2021   22:03:14   ( -80.26,  58.82) 03/11/2021   22:02:55  ( -80.28,  58.70)    3.02                19
 03/11/2021   22:52:40   (  80.26,-133.54) 03/11/2021   22:53:50  (  80.24,-133.44)    2.85                70
 03/14/2021   03:36:56   (  80.26, 155.42) 03/14/2021   03:36:04  (  80.29, 155.34)    2.98                52
 03/14/2021   04:26:23   ( -80.27, -36.91) 03/14/2021   04:27:07  ( -80.26, -37.07)    2.92                44