Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 4 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)
 04/16/2021   19:09:29   (  81.11, -68.14) 04/16/2021   19:08:26  (  81.12, -68.03)    1.91                63
 04/16/2021   19:58:55   ( -81.13,  99.81) 04/16/2021   19:59:05  ( -81.14,  99.81)    0.56                10
 04/19/2021   14:43:42   (  81.13,  -1.38) 04/19/2021   14:42:46  (  81.13,  -1.42)    0.97                56
 04/19/2021   15:33:09   ( -81.13, 166.24) 04/19/2021   15:33:26  ( -81.13, 166.07)    2.91                17
 04/22/2021   10:17:55   (  81.13,  64.98) 04/22/2021   10:17:06  (  81.12,  64.81)    3.18                49
 04/22/2021   11:07:21   ( -81.15,-127.01) 04/22/2021   11:07:44  ( -81.15,-126.94)    1.27                23
 04/25/2021   05:52:09   (  81.12, 131.31) 04/25/2021   05:51:26  (  81.13, 131.39)    1.38                43
 04/25/2021   06:41:35   ( -81.15, -60.66) 04/25/2021   06:42:05  ( -81.15, -60.71)    0.89                30
 04/28/2021   01:26:22   (  81.14,-162.03) 04/28/2021   01:25:46  (  81.13,-162.05)    0.65                36