Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 5 24.  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)
 05/25/2023   06:24:58   (  -0.02, -75.19) (  -0.07, -74.93)   29.45                80
 05/27/2023   18:25:30   (   0.02, -75.19) (  -0.12, -75.70)   58.95                80
 05/28/2023   18:09:25   (   0.02, -75.20) (   0.89, -71.18)  458.02                80
 05/30/2023   06:28:33   (  -0.02, -75.21) (   0.25, -76.45)  141.27                80
 05/31/2023   06:12:29   (  -0.02, -75.22) (  -0.77, -71.93)  375.89                80
 06/01/2023   18:31:45   (   0.03, -75.23) (  -0.43, -77.23)  228.09                80
 06/02/2023   18:15:41   (   0.03, -75.24) (   0.59, -72.70)  289.16                80
 06/04/2023   06:34:49   (  -0.04, -75.26) (   0.54, -77.98)  309.87                80
 06/05/2023   06:18:44   (  -0.03, -75.27) (  -0.42, -73.44)  207.42                80
 06/06/2023   18:38:00   (   0.04, -75.28) (  -0.76, -78.75)  396.42                80