Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 11 3.  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)
 11/04/2021   04:01:21   (   0.28,-128.44) (  -0.54,-131.93)  399.27                80
 11/05/2021   03:49:35   (   0.27,-128.44) (   0.12,-129.06)   70.53                80
 11/06/2021   03:40:28   (   0.26,-128.45) (   0.77,-126.18)  258.01                80
 11/08/2021   15:58:25   (  -0.27,-128.46) (   0.35,-131.06)  297.73                80
 11/09/2021   15:49:19   (  -0.27,-128.45) (  -0.31,-128.19)   30.27                80
 11/10/2021   15:37:32   (  -0.26,-128.45) (  -0.97,-125.31)  358.16                80
 11/13/2021   03:55:48   (   0.27,-128.43) (  -0.15,-130.27)  209.76                80
 11/14/2021   03:46:42   (   0.27,-128.43) (   0.51,-127.39)  118.17                80
 11/15/2021   03:34:55   (   0.26,-128.42) (   1.19,-124.52)  446.09                80
 11/16/2021   16:04:39   (  -0.28,-128.43) (   0.61,-132.27)  438.46                80