Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 6 18.  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)
 06/18/2021   23:21:54   (  81.15,-130.29) 06/18/2021   23:23:00  (  81.14,-130.44)    2.68                66
 06/19/2021   00:12:35   ( -81.16,  37.35) 06/19/2021   00:12:26  ( -81.16,  37.46)    1.93                 9
 06/21/2021   18:56:16   (  81.14, -64.12) 06/21/2021   18:57:16  (  81.14, -64.02)    1.65                60
 06/21/2021   19:46:56   ( -81.16, 103.93) 06/21/2021   19:46:42  ( -81.16, 103.91)    0.56                14
 06/24/2021   14:30:37   (  81.14,   2.42) 06/24/2021   14:31:32  (  81.14,   2.37)    1.09                55
 06/24/2021   15:21:16   ( -81.18, 170.87) 06/24/2021   15:20:57  ( -81.18, 170.69)    3.04                19
 06/27/2021   10:04:57   (  81.15,  68.95) 06/27/2021   10:05:46  (  81.16,  69.10)    2.68                49
 06/27/2021   10:55:37   ( -81.17,-122.96) 06/27/2021   10:55:12  ( -81.18,-122.92)    0.90                25
 06/30/2021   05:39:18   (  81.15, 135.48) 06/30/2021   05:40:02  (  81.15, 135.43)    0.73                44