Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 3 15.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 03/16/2021   20:42:20   ( -81.12,  88.85) 03/16/2021   20:41:21  ( -81.11,  88.70)    2.64                59
 03/16/2021   21:31:45   (  81.15,-103.05) 03/16/2021   21:31:59  (  81.14,-103.04)    0.27                14
 03/19/2021   16:16:33   ( -81.12, 155.40) 03/19/2021   16:15:41  ( -81.13, 155.49)    1.70                52
 03/19/2021   17:05:58   (  81.15, -36.53) 03/19/2021   17:06:20  (  81.14, -36.62)    1.63                22
 03/22/2021   11:50:46   ( -81.13,-138.10) 03/22/2021   11:50:02  ( -81.13,-138.10)    0.28                44
 03/22/2021   12:40:11   (  81.15,  29.95) 03/22/2021   12:40:41  (  81.14,  29.79)    2.79                30
 03/25/2021   07:24:58   ( -81.13, -71.64) 03/25/2021   07:24:22  ( -81.12, -71.72)    1.54                36
 03/25/2021   08:14:23   (  81.15,  96.38) 03/25/2021   08:15:00  (  81.16,  96.56)    3.14                37
 03/28/2021   02:59:11   ( -81.13,  -5.22) 03/28/2021   02:58:43  ( -81.12,  -5.36)    2.46                28