Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 4 10.  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)
 04/11/2021   04:50:27   ( -81.15, -32.78) 04/11/2021   04:50:24  ( -81.15, -32.77)    0.56                 3
 04/11/2021   05:39:53   (  81.16, 134.94) 04/11/2021   05:41:04  (  81.16, 134.98)    0.82                71
 04/13/2021   23:35:15   (  81.11,-134.63) 04/13/2021   23:34:06  (  81.11,-134.74)    1.92                69
 04/14/2021   00:24:40   ( -81.15,  33.71) 04/14/2021   00:24:43  ( -81.15,  33.89)    3.08                 3
 04/16/2021   19:09:28   (  81.13, -67.84) 04/16/2021   19:08:25  (  81.13, -67.73)    1.86                63
 04/16/2021   19:58:55   ( -81.13,  99.80) 04/16/2021   19:59:05  ( -81.14,  99.78)    0.62                10
 04/19/2021   14:43:42   (  81.13,  -1.44) 04/19/2021   14:42:46  (  81.12,  -1.49)    1.01                56
 04/19/2021   15:33:08   ( -81.15, 166.58) 04/19/2021   15:33:25  ( -81.14, 166.41)    3.15                17
 04/22/2021   10:17:55   (  81.12,  64.92) 04/22/2021   10:17:05  (  81.13,  65.11)    3.21                50