Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 2 12.  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)
 02/13/2021   00:00:53   ( -80.23,  29.21) 02/13/2021   00:00:21  ( -80.22,  29.21)    1.20                32
 02/13/2021   00:50:20   (  80.20,-163.39) 02/13/2021   00:51:24  (  80.21,-163.35)    0.85                64
 02/15/2021   05:34:36   (  80.23, 125.80) 02/15/2021   05:33:37  (  80.22, 125.88)    1.59                59
 02/15/2021   06:24:02   ( -80.23, -66.58) 02/15/2021   06:24:33  ( -80.22, -66.74)    3.29                31
 02/17/2021   11:57:45   (  80.23,  29.97) 02/17/2021   11:57:48  (  80.22,  30.06)    2.08                 3
 02/19/2021   17:31:29   ( -80.22, 126.48) 02/19/2021   17:31:00  ( -80.25, 126.37)    3.49                29
 02/19/2021   18:20:55   (  80.22, -65.87) 02/19/2021   18:22:00  (  80.21, -65.77)    2.46                65
 02/21/2021   23:05:11   (  80.24,-136.73) 02/21/2021   23:04:13  (  80.23,-136.58)    3.28                58
 02/21/2021   23:54:39   ( -80.21,  30.63) 02/21/2021   23:55:12  ( -80.23,  30.73)    2.15                33