Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 3 20.  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)
 03/22/2021   11:50:49   ( -81.11,-138.34) 03/22/2021   11:50:02  ( -81.12,-138.29)    1.03                47
 03/22/2021   12:40:14   (  81.14,  29.75) 03/22/2021   12:40:41  (  81.14,  29.64)    1.89                27
 03/25/2021   07:25:03   ( -81.13, -71.61) 03/25/2021   07:24:22  ( -81.13, -71.52)    1.56                41
 03/25/2021   08:14:29   (  81.14,  96.09) 03/25/2021   08:15:02  (  81.14,  96.05)    0.80                33
 03/28/2021   02:59:18   ( -81.13,  -5.28) 03/28/2021   02:58:43  ( -81.13,  -5.14)    2.58                35
 03/28/2021   03:48:43   (  81.15, 162.75) 03/28/2021   03:49:22  (  81.15, 162.81)    1.13                39
 03/30/2021   22:33:32   ( -81.12,  61.01) 03/30/2021   22:33:04  ( -81.12,  60.86)    2.56                28
 03/30/2021   23:22:56   (  81.16,-130.63) 03/30/2021   23:23:41  (  81.16,-130.43)    3.30                45
 04/02/2021   18:07:46   ( -81.13, 127.62) 04/02/2021   18:07:24  ( -81.13, 127.59)    0.56                22