Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 3 31.  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)
 04/01/2021   03:02:40   (  -0.11,-128.28) (   0.60,-125.24)  346.98                80
 04/03/2021   15:23:30   (   0.11,-128.33) (   0.52,-130.17)  209.35                80
 04/04/2021   15:09:07   (   0.11,-128.32) (  -0.13,-127.31)  115.45                80
 04/05/2021   14:57:24   (   0.10,-128.30) (  -0.79,-124.44)  440.23                80
 04/07/2021   03:30:02   (  -0.11,-128.17) (  -1.06,-132.24)  464.91                80
 04/08/2021   03:18:18   (  -0.11,-128.16) (  -0.39,-129.38)  139.84                80
 04/09/2021   03:09:15   (  -0.11,-128.14) (   0.29,-126.52)  185.28                80
 04/11/2021   15:30:07   (   0.11,-128.19) (   0.88,-131.45)  372.09                80
 04/12/2021   15:18:23   (   0.11,-128.17) (   0.22,-128.58)   47.47                80
 04/13/2021   15:04:00   (   0.11,-128.15) (  -0.44,-125.72)  277.01                80