Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 21.  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)
 07/22/2021   07:31:48   ( -80.46, -81.09) 07/22/2021   07:31:15  ( -80.45, -81.12)    0.87                33
 07/22/2021   08:21:15   (  80.43,  86.28) 07/22/2021   08:22:11  (  80.45,  86.16)    3.04                56
 07/24/2021   13:05:32   (  80.45,  15.44) 07/24/2021   13:04:19  (  80.47,  15.31)    3.04                73
 07/24/2021   13:54:59   ( -80.46,-176.91) 07/24/2021   13:55:22  ( -80.44,-176.90)    1.39                23
 07/26/2021   19:28:44   (  80.45, -80.41) 07/26/2021   19:28:26  (  80.45, -80.28)    2.43                18
 07/29/2021   01:02:29   ( -80.47,  16.41) 07/29/2021   01:01:39  ( -80.45,  16.47)    2.44                50
 07/29/2021   01:51:56   (  80.44,-176.28) 07/29/2021   01:52:34  (  80.45,-176.23)    1.52                38
 07/31/2021   07:25:41   ( -80.47, -79.45) 07/31/2021   07:25:47  ( -80.45, -79.43)    1.72                 6
 08/02/2021   12:59:25   (  80.48,  17.26) 08/02/2021   12:58:50  (  80.46,  17.21)    2.47                35