Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 3 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)
 03/20/2021   21:07:32   (  80.27,-107.21) 03/20/2021   21:06:40  (  80.29,-107.12)    3.03                52
 03/20/2021   21:56:59   ( -80.27,  60.41) 03/20/2021   21:57:44  ( -80.27,  60.41)    0.80                45
 03/23/2021   03:30:42   (  80.28, 157.07) 03/23/2021   03:30:52  (  80.29, 156.93)    2.97                10
 03/25/2021   09:04:26   ( -80.28,-106.32) 03/25/2021   09:04:09  ( -80.29,-106.31)    0.94                17
 03/25/2021   09:53:52   (  80.28,  61.33) 03/25/2021   09:55:03  (  80.27,  61.31)    1.48                71
 03/27/2021   14:38:09   (  80.29,  -9.73) 03/27/2021   14:37:16  (  80.30,  -9.60)    2.79                53
 03/27/2021   15:27:36   ( -80.29, 157.94) 03/27/2021   15:28:21  ( -80.29, 157.78)    2.98                45
 03/29/2021   21:01:19   (  80.29,-105.51) 03/29/2021   21:01:28  (  80.30,-105.55)    1.25                 9
 04/01/2021   02:35:03   ( -80.29,  -8.90) 04/01/2021   02:34:45  ( -80.29,  -8.72)    3.32                18