Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 27.  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)
 03/28/2023   06:10:26   (  -0.07, -75.19) (  -0.79, -71.97)  367.30                80
 03/29/2023   18:35:00   (   0.06, -75.19) (  -0.41, -77.27)  237.45                80
 03/30/2023   18:13:35   (   0.06, -75.19) (   0.63, -72.74)  279.52                80
 04/01/2023   06:38:00   (  -0.05, -75.20) (   0.57, -78.00)  318.98                80
 04/02/2023   06:16:34   (  -0.05, -75.20) (  -0.42, -73.46)  198.38                80
 04/03/2023   18:41:08   (   0.04, -75.21) (  -0.76, -78.76)  405.02                80
 04/04/2023   18:19:41   (   0.04, -75.21) (   0.24, -74.22)  112.86                80
 04/06/2023   06:44:08   (  -0.04, -75.24) (   0.89, -79.49)  484.33                80
 04/07/2023   06:22:41   (  -0.04, -75.25) (  -0.10, -74.95)   33.66                80
 04/09/2023   18:28:29   (   0.04, -75.27) (  -0.05, -75.72)   50.95                80
 04/10/2023   18:07:03   (   0.04, -75.28) (   0.96, -71.18)  467.21                80