Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 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)
 03/17/2023   06:16:52   (  -0.07, -75.20) (  -0.42, -73.50)  192.93                80
 03/18/2023   18:38:47   (   0.06, -75.21) (  -0.75, -78.80)  409.90                80
 03/19/2023   18:22:42   (   0.06, -75.22) (   0.26, -74.27)  107.50                80
 03/21/2023   06:44:28   (  -0.05, -75.22) (   0.92, -79.54)  491.66                80
 03/22/2023   06:23:02   (  -0.05, -75.24) (  -0.10, -75.01)   26.12                80
 03/24/2023   18:28:51   (   0.05, -75.28) (  -0.08, -75.77)   57.02                80
 03/25/2023   18:07:26   (   0.05, -75.29) (   0.95, -71.24)  461.41                80
 03/27/2023   06:31:52   (  -0.05, -75.31) (   0.21, -76.51)  136.41                80
 03/28/2023   06:10:27   (  -0.05, -75.33) (  -0.82, -71.98)  382.17                80
 03/29/2023   18:35:01   (   0.04, -75.36) (  -0.37, -77.28)  218.06                80
 03/30/2023   18:13:34   (   0.04, -75.38) (   0.61, -72.74)  301.10                80