Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 22.  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)
 09/23/2021   03:53:23   (   0.14,-127.82) (  -0.74,-131.52)  422.23                80
 09/24/2021   03:41:37   (   0.13,-127.79) (  -0.07,-128.65)   97.70                80
 09/25/2021   03:32:32   (   0.12,-127.76) (   0.61,-125.78)  226.63                80
 09/27/2021   15:50:38   (  -0.16,-127.64) (   0.54,-130.69)  347.74                80
 09/28/2021   15:38:51   (  -0.15,-127.60) (  -0.09,-127.81)   23.69                80
 09/29/2021   15:29:45   (  -0.14,-127.56) (  -0.72,-124.93)  300.12                80
 10/02/2021   03:47:56   (   0.18,-127.48) (  -0.39,-129.86)  272.93                80
 10/03/2021   03:38:50   (   0.17,-127.43) (   0.29,-127.00)   50.25                80
 10/04/2021   03:27:04   (   0.16,-127.39) (   0.91,-124.11)  373.39                80