Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 11 1.  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)
 11/01/2021   15:43:05   (  -0.26,-128.43) (  -0.58,-126.98)  166.02                80
 11/02/2021   15:31:19   (  -0.25,-128.44) (  -1.24,-124.10)  495.08                80
 11/04/2021   04:01:22   (   0.28,-128.43) (  -0.51,-131.94)  399.74                80
 11/05/2021   03:49:35   (   0.27,-128.44) (   0.14,-129.06)   71.11                80
 11/06/2021   03:40:29   (   0.26,-128.44) (   0.80,-126.19)  257.30                80
 11/08/2021   15:58:26   (  -0.27,-128.45) (   0.32,-131.07)  298.58                80
 11/09/2021   15:49:19   (  -0.27,-128.45) (  -0.33,-128.19)   29.27                80
 11/10/2021   15:37:33   (  -0.26,-128.44) (  -0.99,-125.32)  357.05                80
 11/13/2021   03:55:49   (   0.27,-128.41) (  -0.14,-130.27)  211.39                80
 11/14/2021   03:46:42   (   0.27,-128.41) (   0.53,-127.40)  116.46                80