Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 8 18.  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)
 08/18/2021   06:23:59   (  80.48, 116.11) 08/18/2021   06:23:46  (  80.48, 116.20)    1.55                13
 08/20/2021   11:57:44   ( -80.48,-147.28) 08/20/2021   11:56:58  ( -80.49,-147.26)    0.97                46
 08/20/2021   12:47:10   (  80.49,  20.38) 08/20/2021   12:47:53  (  80.47,  20.50)    2.89                43
 08/22/2021   18:20:55   ( -80.49, 116.99) 08/22/2021   18:21:05  ( -80.49, 116.90)    1.79                10
 08/24/2021   23:54:38   (  80.49,-146.43) 08/24/2021   23:54:09  (  80.50,-146.56)    2.47                29
 08/25/2021   00:44:06   ( -80.47,  20.93) 08/25/2021   00:45:11  ( -80.48,  21.03)    2.80                65
 08/27/2021   05:28:23   ( -80.50, -49.82) 08/27/2021   05:27:19  ( -80.50, -49.80)    0.82                64
 08/27/2021   06:17:49   (  80.49, 117.79) 08/27/2021   06:18:16  (  80.49, 117.71)    1.43                27
 08/29/2021   11:51:34   ( -80.50,-145.60) 08/29/2021   11:51:26  ( -80.50,-145.72)    2.25                 8
 08/31/2021   17:25:18   (  80.49, -49.12) 08/31/2021   17:24:32  (  80.51, -49.07)    2.40                46