Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 4 16.  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)
 04/17/2024   18:16:14   (   0.01, -75.20) (   0.54, -72.80)  272.66                80
 04/19/2024   06:38:02   (  -0.01, -75.20) (   0.62, -78.07)  326.82                80
 04/20/2024   06:16:38   (  -0.01, -75.20) (  -0.40, -73.54)  189.93                80
 04/21/2024   18:41:13   (   0.01, -75.20) (  -0.83, -78.83)  414.15                80
 04/22/2024   18:22:29   (   0.01, -75.21) (   0.20, -74.30)  103.04                80
 04/24/2024   06:44:17   (  -0.01, -75.22) (   0.94, -79.58)  495.29                80
 04/25/2024   06:22:52   (  -0.01, -75.23) (  -0.03, -75.03)   22.06                80
 04/27/2024   18:26:02   (   0.00, -75.24) (  -0.13, -75.80)   64.15                80
 04/28/2024   18:09:58   (   0.00, -75.24) (   0.92, -71.27)  453.39                80
 04/30/2024   06:31:45   (   0.00, -75.26) (   0.26, -76.53)  144.45                80