Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 20.  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)
 09/20/2021   15:35:14   (  -0.10,-127.88) (  -0.40,-126.60)  147.23                80
 09/21/2021   15:23:28   (  -0.08,-127.85) (  -1.03,-123.71)  472.29                80
 09/23/2021   03:53:23   (   0.14,-127.83) (  -0.72,-131.52)  422.01                80
 09/24/2021   03:41:38   (   0.13,-127.79) (  -0.05,-128.65)   97.43                80
 09/25/2021   03:32:31   (   0.12,-127.76) (   0.57,-125.77)  226.99                80
 09/27/2021   15:50:38   (  -0.16,-127.65) (   0.53,-130.69)  347.30                80
 09/28/2021   15:38:52   (  -0.15,-127.61) (  -0.11,-127.81)   23.14                80
 09/29/2021   15:29:45   (  -0.14,-127.57) (  -0.74,-124.93)  300.74                80
 10/02/2021   03:47:56   (   0.18,-127.49) (  -0.37,-129.87)  271.86                80
 10/03/2021   03:38:50   (   0.17,-127.44) (   0.30,-127.00)   51.46                80