Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 4 22.  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)
 04/22/2021   11:34:46   (   0.03, -75.19) (  -0.50, -73.07)  243.28                80
 04/24/2021   23:58:18   (  -0.03, -75.17) (  -0.66, -78.00)  322.58                80
 04/25/2021   23:46:33   (  -0.03, -75.17) (  -0.04, -75.12)    5.55                80
 04/26/2021   23:32:10   (  -0.03, -75.18) (   0.64, -72.26)  332.26                80
 04/29/2021   11:55:44   (   0.02, -75.22) (   0.51, -77.20)  227.60                80
 04/30/2021   11:41:20   (   0.02, -75.22) (  -0.17, -74.34)  100.01                80
 05/01/2021   11:29:37   (   0.02, -75.23) (  -0.85, -71.48)  427.68                80
 05/03/2021   00:04:52   (  -0.02, -75.22) (  -0.97, -79.28)  464.06                80
 05/03/2021   23:53:08   (  -0.02, -75.23) (  -0.29, -76.42)  135.90                80
 05/04/2021   23:38:45   (  -0.01, -75.24) (   0.40, -73.56)  192.54                80