Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 3 19.  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)
 03/20/2021   04:57:46   (  -0.14,-128.37) (  -0.50,-130.00)  186.37                80
 03/21/2021   04:34:26   (  -0.13,-128.36) (   0.62,-125.03)  380.20                80
 03/22/2021   16:55:57   (   0.13,-128.44) (   0.39,-129.63)  134.68                80
 03/23/2021   16:32:38   (   0.13,-128.44) (  -0.73,-124.65)  431.55                80
 03/25/2021   04:54:17   (  -0.13,-128.33) (  -0.34,-129.28)  107.45                80
 03/26/2021   04:30:57   (  -0.13,-128.33) (   0.73,-124.29)  458.57                80
 03/27/2021   16:52:29   (   0.13,-128.40) (   0.23,-128.91)   57.10                80
 03/30/2021   04:50:49   (  -0.13,-128.28) (  -0.17,-128.56)   31.12                80
 04/01/2021   16:49:00   (   0.13,-128.33) (   0.11,-128.17)   17.52                80