Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 10 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)
 10/27/2021   03:55:06   (   0.26,-128.36) (  -0.31,-130.71)  269.00                80
 10/28/2021   03:46:00   (   0.25,-128.37) (   0.39,-127.85)   60.27                80
 10/29/2021   03:34:14   (   0.25,-128.38) (   1.04,-124.97)  389.38                80
 10/30/2021   16:03:58   (  -0.27,-128.41) (   0.73,-132.73)  493.33                80
 10/31/2021   15:52:12   (  -0.27,-128.41) (   0.07,-129.85)  164.33                80
 11/01/2021   15:43:05   (  -0.26,-128.42) (  -0.58,-126.97)  164.54                80
 11/02/2021   15:31:20   (  -0.26,-128.43) (  -1.29,-124.11)  493.30                80
 11/04/2021   04:01:22   (   0.28,-128.41) (  -0.52,-131.94)  402.12                80
 11/05/2021   03:49:35   (   0.27,-128.41) (   0.13,-129.06)   73.81                80
 11/06/2021   03:40:29   (   0.27,-128.41) (   0.78,-126.19)  254.26                80