Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 4 29.  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)
 04/30/2021   06:11:05   (  80.36, 117.54) 04/30/2021   06:10:12  (  80.35, 117.63)    1.75                53
 04/30/2021   07:00:32   ( -80.35, -74.85) 04/30/2021   07:01:11  ( -80.33, -74.78)    2.51                39
 05/02/2021   12:34:14   (  80.36,  21.77) 05/02/2021   12:34:23  (  80.35,  21.81)    1.67                 9
 05/04/2021   18:07:57   ( -80.36, 118.35) 05/04/2021   18:07:34  ( -80.37, 118.23)    2.35                23
 05/04/2021   18:57:23   (  80.36, -74.01) 05/04/2021   18:58:34  (  80.34, -74.04)    2.38                71
 05/06/2021   23:41:39   (  80.36,-145.11) 05/06/2021   23:40:47  (  80.38,-145.21)    2.89                52
 05/07/2021   00:31:06   ( -80.36,  22.56) 05/07/2021   00:31:44  ( -80.35,  22.52)    1.20                38
 05/09/2021   06:04:48   (  80.35, 119.07) 05/09/2021   06:04:57  (  80.36, 119.24)    3.17                 9
 05/11/2021   11:38:31   ( -80.35,-144.37) 05/11/2021   11:38:06  ( -80.37,-144.25)    2.90                25
 05/11/2021   12:27:57   (  80.35,  23.23) 05/11/2021   12:29:08  (  80.35,  23.32)    1.85                71
 05/13/2021   17:12:12   (  80.37, -47.61) 05/13/2021   17:11:20  (  80.38, -47.59)    0.74                52