Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 7 30.  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)
 07/31/2021   04:06:25   ( -81.16, -21.14) 07/31/2021   04:07:29  ( -81.16, -21.20)    0.93                64
 07/31/2021   04:57:05   (  81.17, 146.56) 07/31/2021   04:56:55  (  81.17, 146.54)    0.64                10
 08/02/2021   23:40:46   ( -81.16,  45.18) 08/02/2021   23:41:46  ( -81.15,  45.07)    1.83                60
 08/03/2021   00:31:25   (  81.18,-146.72) 08/03/2021   00:31:11  (  81.18,-146.86)    2.32                14
 08/05/2021   19:15:05   ( -81.17, 111.86) 08/05/2021   19:16:01  ( -81.16, 111.68)    3.10                56
 08/05/2021   20:05:45   (  81.18, -80.40) 08/05/2021   20:05:26  (  81.19, -80.28)    2.18                19
 08/08/2021   14:49:27   ( -81.15, 177.77) 08/08/2021   14:50:18  ( -81.15, 177.88)    1.90                51
 08/08/2021   15:40:06   (  81.18, -14.09) 08/08/2021   15:39:43  (  81.17, -14.11)    0.68                23
 08/11/2021   10:23:47   ( -81.16,-115.57) 08/11/2021   10:24:34  ( -81.15,-115.58)    0.53                47