Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 5 20.  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)
 05/21/2021   20:29:03   ( -81.14,  92.91) 05/21/2021   20:29:46  ( -81.14,  92.85)    0.87                43
 05/21/2021   21:19:43   (  81.15, -99.50) 05/21/2021   21:19:12  (  81.15, -99.40)    1.69                31
 05/24/2021   16:03:24   ( -81.14, 159.29) 05/24/2021   16:04:02  ( -81.14, 159.26)    0.57                38
 05/24/2021   16:54:03   (  81.16, -32.81) 05/24/2021   16:53:27  (  81.17, -32.66)    2.82                36
 05/27/2021   11:37:46   ( -81.14,-134.34) 05/27/2021   11:38:19  ( -81.14,-134.37)    0.64                33
 05/27/2021   12:28:24   (  81.17,  33.86) 05/27/2021   12:27:44  (  81.16,  33.69)    2.98                40
 05/30/2021   07:12:07   ( -81.15, -67.62) 05/30/2021   07:12:35  ( -81.15, -67.67)    0.94                28
 05/30/2021   08:02:45   (  81.18, 100.51) 05/30/2021   08:02:00  (  81.18, 100.37)    2.44                45
 06/02/2021   02:46:28   ( -81.15,  -1.29) 06/02/2021   02:46:51  ( -81.14,  -1.37)    1.38                23