Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 9 24.  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)
 09/24/2021   03:42:58   (   0.13,-127.79) (   0.00,-128.66)   98.06                 0
 09/25/2021   03:32:31   (   0.12,-127.76) (   0.56,-125.77)  226.59                80
 09/27/2021   15:50:38   (  -0.16,-127.64) (   0.53,-130.69)  347.71                80
 09/28/2021   15:38:51   (  -0.15,-127.60) (  -0.10,-127.81)   23.68                80
 09/29/2021   15:29:45   (  -0.14,-127.56) (  -0.74,-124.93)  300.06                80
 10/02/2021   03:47:56   (   0.18,-127.47) (  -0.38,-129.87)  273.23                80
 10/03/2021   03:38:50   (   0.17,-127.43) (   0.30,-127.00)   50.01                80
 10/04/2021   03:27:04   (   0.16,-127.38) (   0.92,-124.12)  373.04                80
 10/06/2021   15:45:08   (  -0.20,-127.24) (   0.20,-129.02)  203.18                80
 10/07/2021   15:36:01   (  -0.20,-127.19) (  -0.44,-126.14)  119.74                80