Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2021   15:02:29   (   0.11,-128.41) (  -0.44,-126.02)  273.53                80
 03/30/2021   03:26:07   (  -0.12,-128.30) (  -0.71,-130.97)  304.59                80
 03/31/2021   03:14:23   (  -0.11,-128.29) (  -0.09,-128.10)   21.29                80
 04/01/2021   02:59:59   (  -0.11,-128.28) (   0.58,-125.24)  346.57                80
 04/03/2021   15:23:30   (   0.11,-128.33) (   0.55,-130.17)  210.14                80
 04/04/2021   15:09:07   (   0.10,-128.31) (  -0.11,-127.30)  114.59                80
 04/05/2021   14:57:24   (   0.10,-128.29) (  -0.82,-124.45)  439.27                80
 04/07/2021   03:32:41   (  -0.11,-128.17) (  -1.08,-132.24)  465.81                80
 04/08/2021   03:20:58   (  -0.11,-128.15) (  -0.41,-129.38)  140.86                80
 04/09/2021   03:06:34   (  -0.11,-128.13) (   0.27,-126.52)  184.13                80