Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2024   06:38:02   (  -0.01, -75.20) (   0.63, -78.07)  327.13                80
 04/20/2024   06:16:38   (  -0.01, -75.20) (  -0.39, -73.54)  189.52                80
 04/21/2024   18:41:14   (   0.01, -75.20) (  -0.78, -78.84)  414.27                80
 04/22/2024   18:22:29   (   0.01, -75.21) (   0.19, -74.30)  102.89                80
 04/24/2024   06:44:17   (  -0.01, -75.22) (   0.95, -79.57)  495.87                80
 04/25/2024   06:22:51   (  -0.01, -75.22) (  -0.03, -75.03)   21.52                80
 04/27/2024   18:26:02   (   0.01, -75.23) (  -0.14, -75.80)   64.69                80
 04/28/2024   18:09:58   (   0.01, -75.24) (   0.91, -71.27)  452.81                80
 04/30/2024   06:31:45   (  -0.00, -75.25) (   0.27, -76.53)  145.38                80
 05/01/2024   06:10:20   (  -0.00, -75.26) (  -0.73, -71.99)  372.33                80
 05/02/2024   18:32:15   (  -0.00, -75.27) (  -0.45, -77.29)  230.04                80