Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 23.  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)
 03/24/2023   18:28:52   (   0.06, -75.19) (  -0.06, -75.78)   66.00                80
 03/25/2023   18:07:26   (   0.07, -75.20) (   0.97, -71.24)  450.93                80
 03/27/2023   06:31:51   (  -0.06, -75.20) (   0.25, -76.50)  148.26                80
 03/28/2023   06:10:26   (  -0.06, -75.21) (  -0.78, -71.97)  368.91                80
 03/29/2023   18:35:00   (   0.05, -75.21) (  -0.41, -77.27)  234.36                80
 03/30/2023   18:13:35   (   0.05, -75.22) (   0.62, -72.74)  283.32                80
 04/01/2023   06:38:00   (  -0.04, -75.24) (   0.58, -78.00)  314.50                80
 04/02/2023   06:16:35   (  -0.04, -75.25) (  -0.46, -73.47)  203.56                80
 04/03/2023   18:41:08   (   0.03, -75.27) (  -0.78, -78.76)  398.38                80
 04/04/2023   18:19:42   (   0.03, -75.28) (   0.27, -74.23)  120.17                80