Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 12 25.  Predictions up to the next  14.0 days:

     Date     Time(METOP-C) METOP-C Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 12/27/2021   06:05:07   ( -81.10, -51.75) 12/27/2021   06:05:12  ( -81.10, -51.85)    1.68                 5
 12/27/2021   06:55:47   (  81.12, 116.24) 12/27/2021   06:54:37  (  81.13, 116.22)    0.46                70
 12/30/2021   00:48:52   (  81.06,-153.61) 12/30/2021   00:49:59  (  81.07,-153.45)    2.91                67
 12/30/2021   01:39:30   ( -81.09,  14.43) 12/30/2021   01:39:25  ( -81.09,  14.52)    1.47                 5
 01/01/2022   20:23:14   (  81.08, -86.75) 01/01/2022   20:24:12  (  81.08, -86.81)    1.17                58
 01/01/2022   21:13:52   ( -81.11,  81.34) 01/01/2022   21:13:38  ( -81.11,  81.17)    2.83                14
 01/04/2022   15:57:38   (  81.07, -20.66) 01/04/2022   15:58:26  (  81.07, -20.61)    0.93                48
 01/04/2022   16:48:15   ( -81.11, 147.84) 01/04/2022   16:47:51  ( -81.12, 147.76)    1.48                24
 01/07/2022   11:32:00   (  81.07,  45.76) 01/07/2022   11:32:38  (  81.07,  45.88)    2.05                38