Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 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)
 05/22/2021   17:06:17   (  80.36, -45.76) 05/22/2021   17:06:02  (  80.37, -45.75)    1.30                15
 05/22/2021   17:55:44   ( -80.36, 121.87) 05/22/2021   17:56:56  ( -80.35, 121.90)    1.03                72
 05/24/2021   22:40:02   ( -80.39,  51.05) 05/24/2021   22:39:07  ( -80.37,  51.08)    1.66                55
 05/24/2021   23:29:29   (  80.36,-141.59) 05/24/2021   23:30:12  (  80.36,-141.55)    1.01                43
 05/27/2021   05:03:14   ( -80.38, -44.78) 05/27/2021   05:03:17  ( -80.37, -44.80)    1.66                 3
 05/29/2021   10:36:59   (  80.37,  51.70) 05/29/2021   10:36:33  (  80.38,  51.79)    1.64                26
 05/29/2021   11:26:26   ( -80.38,-140.63) 05/29/2021   11:27:27  ( -80.36,-140.70)    1.96                61
 05/31/2021   16:10:44   ( -80.40, 148.51) 05/31/2021   16:09:38  ( -80.39, 148.42)    1.95                66
 05/31/2021   17:00:11   (  80.37, -44.17) 05/31/2021   17:00:43  (  80.38, -44.13)    1.41                32