Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2021   23:25:36   (  -0.02, -75.18) (   0.96, -70.99)  478.53                80
 04/20/2021   12:00:53   (   0.03, -75.20) (   0.84, -78.80)  409.77                80
 04/21/2021   11:49:09   (   0.03, -75.20) (   0.17, -75.93)   82.94                80
 04/22/2021   11:34:45   (   0.03, -75.20) (  -0.45, -73.06)  244.19                80
 04/24/2021   23:58:18   (  -0.03, -75.18) (  -0.66, -78.00)  321.03                80
 04/25/2021   23:43:53   (  -0.03, -75.19) (  -0.04, -75.13)    6.93                80
 04/26/2021   23:32:10   (  -0.03, -75.19) (   0.64, -72.27)  334.12                80
 04/29/2021   11:55:44   (   0.02, -75.24) (   0.51, -77.21)  225.57                80
 04/30/2021   11:41:20   (   0.02, -75.24) (  -0.17, -74.35)  102.19                80
 05/01/2021   11:29:37   (   0.02, -75.25) (  -0.86, -71.49)  430.04                80