Simultaneous Nadir Overpasses (SNOs) between METOP-C and LANDSAT-8
TLE Epoch: 2021 4 17.  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)
 04/18/2021   02:27:27   (  81.07,-178.37) 04/18/2021   02:28:18  (  81.08,-178.32)    1.02                51
 04/18/2021   03:18:05   ( -81.10, -10.29) 04/18/2021   03:17:44  ( -81.10, -10.38)    1.48                21
 04/20/2021   22:01:48   (  81.08,-111.81) 04/20/2021   22:02:31  (  81.08,-111.94)    2.31                43
 04/20/2021   22:52:27   ( -81.09,  55.91) 04/20/2021   22:51:57  ( -81.10,  56.03)    2.13                30
 04/23/2021   17:36:11   (  81.07, -45.65) 04/23/2021   17:36:45  (  81.07, -45.60)    0.92                34
 04/23/2021   18:26:49   ( -81.10, 122.47) 04/23/2021   18:26:11  ( -81.09, 122.40)    1.32                38
 04/26/2021   13:10:32   (  81.09,  21.24) 04/26/2021   13:10:58  (  81.09,  21.08)    2.77                26
 04/26/2021   14:01:11   ( -81.11,-170.99) 04/26/2021   14:00:24  ( -81.11,-170.90)    1.63                47
 04/29/2021   08:44:54   (  81.08,  87.36) 04/29/2021   08:45:11  (  81.08,  87.36)    0.20                17