Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 23.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2021   12:33:39   ( -81.41,-144.14) 04/24/2021   12:32:53  ( -81.41,-144.07)    1.18                46
 04/24/2021   13:23:05   (  81.41,  23.60) 04/24/2021   13:23:33  (  81.40,  23.62)    1.57                28
 04/27/2021   08:07:53   ( -81.40, -77.84) 04/27/2021   08:07:16  ( -81.42, -77.89)    1.63                37
 04/27/2021   08:57:19   (  81.41,  89.87) 04/27/2021   08:57:56  (  81.41,  89.76)    1.83                37
 04/30/2021   03:42:06   ( -81.41, -11.19) 04/30/2021   03:41:38  ( -81.41, -11.34)    2.58                28
 04/30/2021   04:31:33   (  81.40, 156.11) 04/30/2021   04:32:18  (  81.40, 156.27)    2.78                45
 05/02/2021   23:16:19   ( -81.40,  55.04) 05/02/2021   23:15:59  ( -81.40,  55.19)    2.42                20
 05/03/2021   00:05:45   (  81.40,-137.30) 05/03/2021   00:06:39  (  81.40,-137.24)    1.36                54
 05/05/2021   18:50:32   ( -81.41, 121.62) 05/05/2021   18:50:21  ( -81.40, 121.69)    1.72                11