Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 12 6.  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)
 12/06/2021   07:25:55   ( -80.61, -78.12) 12/06/2021   07:25:49  ( -80.62, -78.13)    1.37                 6
 12/08/2021   12:59:38   (  80.63,  18.61) 12/08/2021   12:58:48  (  80.62,  18.74)    2.37                50
 12/08/2021   13:49:05   ( -80.63,-173.76) 12/08/2021   13:49:53  ( -80.62,-173.91)    2.98                48
 12/10/2021   19:22:48   (  80.64, -77.08) 12/10/2021   19:22:52  (  80.62, -77.10)    1.93                 4
 12/13/2021   00:56:32   ( -80.64,  19.57) 12/13/2021   00:56:02  ( -80.63,  19.51)    2.25                30
 12/13/2021   01:45:59   (  80.61,-173.12) 12/13/2021   01:46:56  (  80.62,-172.95)    3.07                57
 12/15/2021   06:30:16   (  80.61, 115.83) 12/15/2021   06:29:02  (  80.64, 115.92)    3.41                74
 12/15/2021   07:19:43   ( -80.62, -76.49) 12/15/2021   07:20:06  ( -80.62, -76.37)    2.14                23
 12/17/2021   12:53:25   (  80.65,  20.38) 12/17/2021   12:53:05  (  80.63,  20.40)    2.19                20
 12/19/2021   18:27:09   ( -80.65, 116.98) 12/19/2021   18:26:15  ( -80.64, 116.86)    2.39                54