Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 4 19.  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)
 04/20/2021   22:01:49   (  81.08,-111.94) 04/20/2021   22:02:32  (  81.07,-112.07)    2.41                43
 04/20/2021   22:52:28   ( -81.09,  55.76) 04/20/2021   22:51:58  ( -81.09,  55.88)    2.02                30
 04/23/2021   17:36:10   (  81.08, -45.41) 04/23/2021   17:36:44  (  81.09, -45.37)    0.87                34
 04/23/2021   18:26:48   ( -81.11, 122.69) 04/23/2021   18:26:10  ( -81.11, 122.60)    1.54                38
 04/26/2021   13:10:32   (  81.08,  21.10) 04/26/2021   13:10:58  (  81.08,  20.93)    3.14                26
 04/26/2021   14:01:11   ( -81.10,-171.14) 04/26/2021   14:00:24  ( -81.10,-171.07)    1.13                47
 04/29/2021   08:44:54   (  81.09,  87.59) 04/29/2021   08:45:11  (  81.09,  87.55)    0.72                17
 04/29/2021   09:35:32   ( -81.12,-104.24) 04/29/2021   09:34:37  ( -81.12,-104.43)    3.25                55
 05/02/2021   04:19:16   (  81.08, 153.69) 05/02/2021   04:19:24  (  81.08, 153.78)    1.60                 8