Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 3 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2021   16:36:06   (   0.13,-128.46) (  -0.57,-125.38)  351.40                80
 03/20/2021   04:57:46   (  -0.13,-128.37) (  -0.50,-130.00)  186.40                80
 03/21/2021   04:34:26   (  -0.13,-128.36) (   0.63,-125.03)  380.17                80
 03/22/2021   16:55:58   (   0.13,-128.44) (   0.39,-129.63)  134.75                80
 03/23/2021   16:32:38   (   0.12,-128.44) (  -0.73,-124.65)  431.48                80
 03/25/2021   04:54:17   (  -0.13,-128.33) (  -0.33,-129.28)  107.46                80
 03/26/2021   04:30:57   (  -0.13,-128.33) (   0.73,-124.29)  458.56                80
 03/27/2021   16:52:29   (   0.13,-128.40) (   0.22,-128.91)   57.15                80
 03/30/2021   04:50:49   (  -0.13,-128.28) (  -0.16,-128.56)   31.14                80