Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 5 15.  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)
 05/16/2021   05:20:20   ( -81.14, -39.99) 05/16/2021   05:21:13  ( -81.14, -40.12)    2.16                53
 05/16/2021   06:10:59   (  81.16, 128.09) 05/16/2021   06:10:38  (  81.17, 127.99)    1.67                21
 05/19/2021   00:54:41   ( -81.14,  26.43) 05/19/2021   00:55:29  ( -81.14,  26.36)    1.23                48
 05/19/2021   01:45:20   (  81.16,-165.56) 05/19/2021   01:44:54  (  81.17,-165.55)    0.53                26
 05/21/2021   20:29:03   ( -81.14,  92.84) 05/21/2021   20:29:46  ( -81.14,  92.80)    0.64                43
 05/21/2021   21:19:42   (  81.16, -99.23) 05/21/2021   21:19:11  (  81.17, -99.14)    1.71                31
 05/24/2021   16:03:25   ( -81.14, 159.23) 05/24/2021   16:04:03  ( -81.14, 159.21)    0.38                38
 05/24/2021   16:54:04   (  81.16, -32.91) 05/24/2021   16:53:28  (  81.16, -32.75)    2.83                36
 05/27/2021   11:37:46   ( -81.14,-134.40) 05/27/2021   11:38:19  ( -81.13,-134.42)    0.60                33