Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 4 21.  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)
 04/22/2021   10:17:55   (  81.13,  65.03) 04/22/2021   10:17:06  (  81.12,  64.88)    2.82                49
 04/22/2021   11:07:21   ( -81.15,-127.02) 04/22/2021   11:07:44  ( -81.15,-126.92)    1.81                23
 04/25/2021   05:52:09   (  81.12, 131.34) 04/25/2021   05:51:26  (  81.13, 131.45)    2.11                43
 04/25/2021   06:41:35   ( -81.15, -60.69) 04/25/2021   06:42:05  ( -81.15, -60.69)    0.26                30
 04/28/2021   01:26:22   (  81.14,-162.03) 04/28/2021   01:25:46  (  81.14,-161.99)    0.77                36
 04/28/2021   02:15:48   ( -81.16,   5.96) 04/28/2021   02:16:25  ( -81.15,   5.89)    1.39                37
 04/30/2021   21:00:35   (  81.12, -95.81) 04/30/2021   21:00:06  (  81.13, -95.83)    0.53                29
 04/30/2021   21:50:01   ( -81.15,  72.21) 04/30/2021   21:50:45  ( -81.15,  72.08)    2.20                44
 05/03/2021   16:34:48   (  81.13, -29.25) 05/03/2021   16:34:26  (  81.13, -29.31)    0.94                22