Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 2 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)
 02/06/2021   06:30:16   ( -80.22, -68.21) 02/06/2021   06:29:42  ( -80.21, -68.32)    2.12                34
 02/06/2021   07:19:43   (  80.19,  99.17) 02/06/2021   07:20:46  (  80.19,  99.20)    0.80                63
 02/08/2021   12:03:59   (  80.22,  28.42) 02/08/2021   12:02:59  (  80.21,  28.48)    1.87                60
 02/08/2021   12:53:27   ( -80.19,-164.25) 02/08/2021   12:53:55  ( -80.21,-164.26)    2.38                28
 02/10/2021   18:27:10   (  80.19, -67.66) 02/10/2021   18:27:12  (  80.22, -67.61)    3.09                 2
 02/13/2021   00:00:53   ( -80.23,  29.21) 02/13/2021   00:00:21  ( -80.22,  29.21)    1.02                32
 02/13/2021   00:50:20   (  80.19,-163.45) 02/13/2021   00:51:24  (  80.21,-163.40)    1.95                64
 02/15/2021   05:34:36   (  80.22, 125.75) 02/15/2021   05:33:37  (  80.23, 125.84)    1.80                59
 02/15/2021   06:24:03   ( -80.23, -66.58) 02/15/2021   06:24:34  ( -80.22, -66.74)    3.21                31