Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 3 19.  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)
 03/20/2021   21:07:32   (  80.28,-107.13) 03/20/2021   21:06:40  (  80.29,-107.03)    2.12                52
 03/20/2021   21:56:59   ( -80.28,  60.49) 03/20/2021   21:57:44  ( -80.27,  60.50)    0.88                45
 03/23/2021   03:30:42   (  80.29, 157.15) 03/23/2021   03:30:52  (  80.29, 157.02)    2.44                10
 03/25/2021   09:04:26   ( -80.29,-106.22) 03/25/2021   09:04:09  ( -80.29,-106.22)    0.88                17
 03/25/2021   09:53:53   (  80.26,  61.11) 03/25/2021   09:55:04  (  80.29,  61.07)    2.81                71
 03/27/2021   14:38:09   (  80.30,  -9.63) 03/27/2021   14:37:16  (  80.29,  -9.51)    2.36                53
 03/27/2021   15:27:37   ( -80.27, 157.74) 03/27/2021   15:28:21  ( -80.28, 157.88)    3.02                44
 03/29/2021   21:01:18   (  80.30,-105.40) 03/29/2021   21:01:27  (  80.29,-105.45)    1.35                 9
 04/01/2021   02:35:02   ( -80.31,  -8.77) 04/01/2021   02:34:44  ( -80.29,  -8.63)    3.41                18