Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 5 18.  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)
 05/20/2021   13:10:59   ( -81.11,-158.01) 05/20/2021   13:10:34  ( -81.10,-158.18)    2.98                25
 05/20/2021   14:00:24   (  81.14,  10.08) 05/20/2021   14:01:12  (  81.13,  10.17)    1.48                48
 05/23/2021   08:45:15   ( -81.11, -91.59) 05/23/2021   08:44:57  ( -81.11, -91.44)    2.61                18
 05/23/2021   09:34:40   (  81.13,  76.48) 05/23/2021   09:35:36  (  81.13,  76.48)    0.12                56
 05/26/2021   04:19:32   ( -81.10, -25.20) 05/26/2021   04:19:22  ( -81.11, -25.09)    2.01                10
 05/26/2021   05:08:57   (  81.13, 142.84) 05/26/2021   05:10:01  (  81.13, 142.78)    1.10                64
 05/28/2021   23:05:13   (  79.50,-142.46) 05/28/2021   23:04:06  (  79.72,-146.18)   78.75                67
 05/28/2021   23:53:48   ( -81.12,  41.52) 05/28/2021   23:53:46  ( -81.12,  41.61)    1.65                 2
 05/29/2021   00:43:13   (  81.15,-150.46) 05/29/2021   00:44:25  (  81.14,-150.55)    1.91                72
 05/31/2021   18:38:38   (  81.09, -60.20) 05/31/2021   18:37:31  (  81.09, -60.31)    1.85                67