Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 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)
 07/27/2021   03:35:11   (   0.20,-127.72) (  -0.02,-128.67)  108.78                80
 07/28/2021   03:20:45   (   0.21,-127.75) (   0.64,-125.80)  222.11                80
 07/30/2021   15:41:30   (  -0.20,-127.85) (   0.44,-130.72)  326.67                80
 07/31/2021   15:32:25   (  -0.20,-127.88) (  -0.20,-127.84)    4.55                80
 08/01/2021   15:20:40   (  -0.21,-127.91) (  -0.89,-124.98)  335.13                80
 08/04/2021   03:41:34   (   0.20,-127.97) (  -0.24,-129.92)  222.22                80
 08/05/2021   03:27:08   (   0.21,-127.99) (   0.41,-127.05)  107.62                80
 08/06/2021   03:15:24   (   0.22,-128.02) (   1.13,-124.19)  437.39                80
 08/07/2021   15:47:54   (  -0.20,-128.05) (   0.71,-131.96)  446.82                80
 08/08/2021   15:36:10   (  -0.21,-128.07) (   0.01,-129.10)  117.11                80
 08/09/2021   15:27:04   (  -0.21,-128.09) (  -0.64,-126.23)  212.60                80