Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 1 1.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2021   01:02:05   ( -81.45,  30.08) 01/02/2021   01:01:10  ( -81.44,  29.89)    3.32                55
 01/02/2021   01:51:32   (  81.43,-162.56) 01/02/2021   01:51:50  (  81.43,-162.46)    1.70                18
 01/04/2021   20:36:20   ( -81.43,  96.21) 01/04/2021   20:35:33  ( -81.44,  96.20)    0.68                47
 01/04/2021   21:25:46   (  81.43, -96.07) 01/04/2021   21:26:13  (  81.43, -96.18)    1.97                27
 01/07/2021   16:10:33   ( -81.43, 162.68) 01/07/2021   16:09:55  ( -81.44, 162.49)    3.12                38
 01/07/2021   16:59:59   (  81.43, -29.63) 01/07/2021   17:00:34  (  81.42, -29.53)    2.11                35
 01/10/2021   11:44:47   ( -81.43,-130.90) 01/10/2021   11:44:17  ( -81.43,-130.84)    0.97                30
 01/10/2021   12:34:13   (  81.43,  36.77) 01/10/2021   12:34:57  (  81.42,  36.71)    1.37                44
 01/13/2021   07:19:01   ( -81.43, -64.53) 01/13/2021   07:18:40  ( -81.43, -64.59)    1.19                21