Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 3.  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)
 01/03/2021   14:57:14   ( -80.15, 164.51) 01/03/2021   14:56:26  ( -80.15, 164.55)    1.16                48
 01/03/2021   15:46:40   (  80.15, -27.83) 01/03/2021   15:47:28  (  80.12, -27.78)    2.98                48
 01/05/2021   20:30:56   (  80.17, -98.72) 01/05/2021   20:29:43  (  80.16, -98.82)    2.13                73
 01/05/2021   21:20:24   ( -80.14,  68.63) 01/05/2021   21:20:39  ( -80.15,  68.66)    1.33                15
 01/08/2021   02:54:06   (  80.16, 165.37) 01/08/2021   02:53:56  (  80.15, 165.41)    1.07                10
 01/10/2021   08:27:50   ( -80.14, -98.17) 01/10/2021   08:27:06  ( -80.17, -98.11)    3.29                44
 01/10/2021   09:17:16   (  80.14,  69.44) 01/10/2021   09:18:10  (  80.16,  69.31)    3.30                54
 01/12/2021   14:01:32   (  80.15,  -1.50) 01/12/2021   14:00:24  (  80.18,  -1.46)    2.76                68
 01/12/2021   14:50:58   ( -80.16, 166.19) 01/12/2021   14:51:17  ( -80.15, 166.31)    2.82                19
 01/14/2021   20:24:40   (  80.17, -97.17) 01/14/2021   20:24:36  (  80.17, -97.28)    2.09                 4
 01/17/2021   01:58:23   ( -80.19,  -0.45) 01/17/2021   01:57:44  ( -80.17,  -0.47)    1.97                39