Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 31.  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)
 06/01/2021   15:31:36   (  -0.03,-128.49) (   0.45,-130.54)  235.01                80
 06/02/2021   15:22:32   (  -0.03,-128.50) (  -0.21,-127.68)   93.46                80
 06/03/2021   15:10:48   (  -0.03,-128.51) (  -0.88,-124.81)  421.95                80
 06/05/2021   03:43:29   (   0.04,-128.44) (  -0.92,-132.63)  478.97                80
 06/06/2021   03:31:44   (   0.04,-128.44) (  -0.27,-129.76)  151.05                80
 06/07/2021   03:17:20   (   0.04,-128.45) (   0.37,-126.89)  176.74                80
 06/09/2021   15:38:06   (  -0.05,-128.54) (   0.72,-131.81)  374.14                80
 06/10/2021   15:26:21   (  -0.05,-128.54) (   0.05,-128.95)   46.62                80
 06/11/2021   15:17:17   (  -0.06,-128.54) (  -0.62,-126.08)  280.69                80