Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 3 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)
 03/18/2021   11:46:07   (   0.01, -75.22) (   0.30, -76.50)  145.78                80
 03/19/2021   11:31:43   (   0.00, -75.22) (  -0.35, -73.64)  180.79                80
 03/21/2021   23:55:23   (  -0.01, -75.19) (  -0.82, -78.60)  389.60                80
 03/22/2021   23:43:40   (  -0.01, -75.19) (  -0.15, -75.73)   62.62                80
 03/23/2021   23:29:16   (  -0.01, -75.19) (   0.51, -72.87)  264.56                80
 03/26/2021   11:52:45   (   0.02, -75.23) (   0.62, -77.79)  292.52                80
 03/27/2021   11:38:22   (   0.02, -75.24) (  -0.03, -74.93)   35.05                80
 03/28/2021   11:26:39   (   0.02, -75.25) (  -0.74, -72.07)  362.55                80
 03/30/2021   23:50:16   (  -0.02, -75.24) (  -0.46, -77.02)  204.21                80
 03/31/2021   23:35:53   (  -0.01, -75.25) (   0.21, -74.16)  123.80                80