Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 7 15.  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)
 07/17/2021   22:02:34   ( -81.35,  73.32) 07/17/2021   22:02:14  ( -81.36,  73.47)    2.62                20
 07/17/2021   22:52:00   (  81.36,-118.92) 07/17/2021   22:52:54  (  81.34,-118.78)    2.87                54
 07/20/2021   17:36:48   ( -81.35, 139.82) 07/20/2021   17:36:34  ( -81.35, 139.91)    1.55                14
 07/20/2021   18:26:15   (  81.34, -52.84) 07/20/2021   18:27:15  (  81.35, -52.75)    2.30                60
 07/23/2021   13:11:03   ( -81.35,-153.71) 07/23/2021   13:10:55  ( -81.35,-153.66)    1.04                 8
 07/23/2021   14:00:30   (  81.34,  13.60) 07/23/2021   14:01:36  (  81.35,  13.66)    1.81                66
 07/26/2021   07:55:56   (  81.25, 103.18) 07/26/2021   07:54:44  (  81.45, 102.06)   28.88                72
 07/26/2021   08:45:18   ( -81.35, -87.27) 07/26/2021   08:45:16  ( -81.35, -87.24)    0.98                 2
 07/26/2021   09:34:45   (  81.33,  80.00) 07/26/2021   09:35:57  (  81.35,  80.06)    1.69                72
 07/29/2021   03:30:05   (  81.35, 171.46) 07/29/2021   03:28:56  (  81.35, 171.57)    1.85                69