Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 31.  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)
 04/01/2023   06:38:00   (  -0.05, -75.20) (   0.58, -78.00)  318.43                80
 04/02/2023   06:16:33   (  -0.05, -75.21) (  -0.41, -73.46)  199.05                80
 04/03/2023   18:41:08   (   0.04, -75.21) (  -0.76, -78.76)  403.99                80
 04/04/2023   18:19:42   (   0.05, -75.22) (   0.29, -74.23)  113.98                80
 04/06/2023   06:44:08   (  -0.04, -75.25) (   0.90, -79.49)  483.21                80
 04/07/2023   06:22:41   (  -0.04, -75.26) (  -0.10, -74.95)   34.89                80
 04/09/2023   18:28:29   (   0.04, -75.28) (  -0.05, -75.72)   49.26                80
 04/10/2023   18:07:02   (   0.04, -75.29) (   0.96, -71.18)  469.01                80
 04/12/2023   06:31:28   (  -0.04, -75.32) (   0.21, -76.44)  127.78                80
 04/13/2023   06:10:01   (  -0.03, -75.33) (  -0.80, -71.91)  390.63                80