Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 4 9.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2021   04:50:27   ( -81.14, -33.00) 04/11/2021   04:50:24  ( -81.14, -33.00)    0.15                 3
 04/11/2021   05:39:52   (  81.16, 135.08) 04/11/2021   05:41:03  (  81.16, 135.13)    0.82                71
 04/13/2021   23:35:15   (  81.12,-134.49) 04/13/2021   23:34:06  (  81.11,-134.59)    1.73                69
 04/14/2021   00:24:41   ( -81.14,  33.49) 04/14/2021   00:24:44  ( -81.15,  33.67)    3.17                 3
 04/16/2021   19:09:29   (  81.12, -68.06) 04/16/2021   19:08:26  (  81.12, -67.95)    2.09                63
 04/16/2021   19:58:55   ( -81.14,  99.95) 04/16/2021   19:59:05  ( -81.14,  99.95)    0.12                10
 04/19/2021   14:43:42   (  81.11,  -1.67) 04/19/2021   14:42:46  (  81.12,  -1.70)    0.59                56
 04/19/2021   15:33:08   ( -81.14, 166.37) 04/19/2021   15:33:25  ( -81.14, 166.21)    2.66                17
 04/22/2021   10:17:56   (  81.11,  64.70) 04/22/2021   10:17:07  (  81.11,  64.54)    2.82                49