Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 9 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)
 10/01/2021   20:48:53   ( -81.32,  91.14) 10/01/2021   20:47:59  ( -81.33,  91.00)    2.49                54
 10/01/2021   21:38:20   (  81.31,-101.45) 10/01/2021   21:38:39  (  81.32,-101.40)    1.42                19
 10/04/2021   16:23:08   ( -81.33, 157.69) 10/04/2021   16:22:17  ( -81.31, 157.74)    1.73                51
 10/04/2021   17:12:35   (  81.31, -34.92) 10/04/2021   17:12:58  (  81.32, -35.06)    2.33                23
 10/07/2021   11:57:25   ( -81.31,-136.18) 10/07/2021   11:56:38  ( -81.33,-136.30)    2.81                47
 10/07/2021   12:46:51   (  81.32,  31.56) 10/07/2021   12:47:17  (  81.31,  31.64)    1.90                26
 10/10/2021   07:31:41   ( -81.31, -69.71) 10/10/2021   07:30:57  ( -81.31, -69.60)    1.91                44
 10/10/2021   08:21:07   (  81.32,  98.00) 10/10/2021   08:21:37  (  81.31,  97.95)    1.40                30
 10/13/2021   03:05:56   ( -81.31,  -3.30) 10/13/2021   03:05:16  ( -81.32,  -3.30)    0.54                40