Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 4 21.  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)
 04/21/2020   17:27:15   (   0.26,-128.08) (   0.71,-130.18)  238.57                80
 04/22/2020   17:03:55   (   0.25,-128.11) (  -0.39,-125.20)  331.21                80
 04/24/2020   05:25:36   (  -0.26,-128.09) (  -0.66,-129.82)  197.26                80
 04/25/2020   05:02:16   (  -0.25,-128.11) (   0.45,-124.84)  371.93                80
 04/26/2020   17:23:49   (   0.25,-128.18) (   0.52,-129.44)  143.54                80
 04/27/2020   17:00:29   (   0.24,-128.20) (  -0.59,-124.46)  425.30                80
 04/29/2020   05:22:09   (  -0.24,-128.17) (  -0.45,-129.09)  104.56                80
 04/30/2020   04:58:50   (  -0.24,-128.18) (   0.65,-124.11)  463.70                80
 05/01/2020   17:17:42   (   0.24,-128.24) (   0.32,-128.71)   53.28                80
 05/04/2020   05:18:43   (  -0.24,-128.22) (  -0.24,-128.36)   15.53                80