Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 6 30.  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)
 07/01/2021   00:37:02   ( -81.36,  34.98) 07/01/2021   00:36:08  ( -81.37,  35.07)    1.55                54
 07/01/2021   01:26:29   (  81.35,-157.60) 07/01/2021   01:26:49  (  81.37,-157.59)    1.50                20
 07/03/2021   20:11:18   ( -81.36, 101.29) 07/03/2021   20:10:30  ( -81.37, 101.22)    2.06                48
 07/03/2021   21:00:44   (  81.36, -90.95) 07/03/2021   21:01:10  (  81.36, -91.08)    2.23                26
 07/06/2021   15:45:33   ( -81.37, 167.94) 07/06/2021   15:44:50  ( -81.35, 168.12)    3.37                43
 07/06/2021   16:35:00   (  81.35, -24.71) 07/06/2021   16:35:31  (  81.36, -24.58)    2.20                31
 07/09/2021   11:19:48   ( -81.36,-125.83) 07/09/2021   11:19:11  ( -81.36,-125.77)    1.14                37
 07/09/2021   12:09:14   (  81.36,  41.87) 07/09/2021   12:09:51  (  81.35,  41.90)    1.24                37
 07/12/2021   06:54:03   ( -81.36, -59.25) 07/12/2021   06:53:32  ( -81.36, -59.29)    0.98                31