Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 25.  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)
 09/25/2021   03:32:31   (   0.12,-127.76) (   0.58,-125.77)  226.58                80
 09/27/2021   15:50:37   (  -0.16,-127.64) (   0.57,-130.68)  347.72                80
 09/28/2021   15:38:52   (  -0.15,-127.60) (  -0.13,-127.82)   23.94                80
 09/29/2021   15:29:45   (  -0.14,-127.56) (  -0.76,-124.94)  300.01                80
 10/02/2021   03:47:56   (   0.18,-127.47) (  -0.35,-129.87)  273.42                80
 10/03/2021   03:38:50   (   0.17,-127.43) (   0.27,-126.99)   49.72                80
 10/04/2021   03:27:04   (   0.16,-127.38) (   0.95,-124.12)  372.86                80
 10/06/2021   15:45:07   (  -0.21,-127.24) (   0.23,-129.02)  203.35                80
 10/07/2021   15:36:01   (  -0.20,-127.19) (  -0.42,-126.14)  119.60                80
 10/08/2021   15:24:14   (  -0.18,-127.14) (  -1.06,-123.26)  442.41                80