Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 2 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)
 02/06/2021   06:30:16   ( -80.21, -68.30) 02/06/2021   06:29:42  ( -80.22, -68.41)    2.44                34
 02/06/2021   07:19:43   (  80.18,  99.10) 02/06/2021   07:20:46  (  80.20,  99.11)    2.14                63
 02/08/2021   12:03:59   (  80.22,  28.34) 02/08/2021   12:02:59  (  80.22,  28.39)    0.94                60
 02/08/2021   12:53:26   ( -80.21,-164.04) 02/08/2021   12:53:54  ( -80.20,-164.03)    1.94                28
 02/10/2021   18:27:09   (  80.22, -67.43) 02/10/2021   18:27:11  (  80.20, -67.37)    1.95                 2
 02/13/2021   00:00:53   ( -80.22,  29.14) 02/13/2021   00:00:21  ( -80.22,  29.11)    0.69                32
 02/13/2021   00:50:20   (  80.19,-163.51) 02/13/2021   00:51:24  (  80.21,-163.48)    3.04                64
 02/15/2021   05:34:36   (  80.22, 125.69) 02/15/2021   05:33:37  (  80.23, 125.75)    2.05                59
 02/15/2021   06:24:03   ( -80.22, -66.65) 02/15/2021   06:24:33  ( -80.20, -66.51)    3.31                30
 02/17/2021   11:57:46   (  80.21,  29.88) 02/17/2021   11:57:49  (  80.22,  29.94)    1.53                 3
 02/19/2021   17:31:29   ( -80.25, 126.74) 02/19/2021   17:31:00  ( -80.23, 126.62)    3.05                29