Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2019 4 20.  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)
 04/21/2019   12:21:03   ( -81.46,-139.93) 04/21/2019   12:20:09  ( -81.46,-140.07)    2.29                54
 04/21/2019   13:10:29   (  81.46,  27.82) 04/21/2019   13:10:48  (  81.46,  27.82)    0.34                19
 04/24/2019   07:55:17   ( -81.46, -73.51) 04/24/2019   07:54:22  ( -81.46, -73.44)    1.06                55
 04/24/2019   08:44:43   (  81.46,  94.20) 04/24/2019   08:45:02  (  81.46,  94.01)    3.22                19
 04/27/2019   03:29:31   ( -81.46,  -7.12) 04/27/2019   03:28:36  ( -81.46,  -7.24)    1.96                55
 04/27/2019   04:18:57   (  81.46, 160.56) 04/27/2019   04:19:15  (  81.46, 160.58)    0.52                18
 04/29/2019   23:03:44   ( -81.45,  59.23) 04/29/2019   23:02:48  ( -81.46,  59.35)    2.09                56
 04/29/2019   23:53:09   (  81.47,-132.73) 04/29/2019   23:53:27  (  81.46,-132.86)    2.39                18
 05/02/2019   18:37:57   ( -81.46, 125.94) 05/02/2019   18:37:01  ( -81.46, 125.92)    0.63                56