Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 20.  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)
 05/22/2021   17:06:17   (  80.37, -45.71) 05/22/2021   17:06:02  (  80.37, -45.71)    0.46                15
 05/22/2021   17:55:44   ( -80.37, 121.92) 05/22/2021   17:56:56  ( -80.35, 121.95)    1.96                72
 05/24/2021   22:40:02   ( -80.39,  51.10) 05/24/2021   22:39:07  ( -80.37,  51.14)    2.65                55
 05/24/2021   23:29:29   (  80.36,-141.54) 05/24/2021   23:30:12  (  80.36,-141.50)    0.84                43
 05/27/2021   05:03:14   ( -80.39, -44.73) 05/27/2021   05:03:17  ( -80.36, -44.74)    2.65                 3
 05/29/2021   10:36:59   (  80.38,  51.75) 05/29/2021   10:36:33  (  80.37,  51.86)    2.14                26
 05/29/2021   11:26:26   ( -80.38,-140.58) 05/29/2021   11:27:27  ( -80.36,-140.63)    2.60                61
 05/31/2021   16:10:44   ( -80.40, 148.55) 05/31/2021   16:09:38  ( -80.38, 148.51)    2.38                66
 05/31/2021   17:00:11   (  80.37, -44.13) 05/31/2021   17:00:43  (  80.37, -44.04)    1.73                32