Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 7 20.  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)
 07/20/2024   06:11:07   (   0.04, -75.21) (  -0.69, -71.98)  368.30                80
 07/21/2024   18:35:44   (  -0.04, -75.21) (  -0.49, -77.28)  236.06                80
 07/22/2024   18:14:20   (  -0.04, -75.21) (   0.51, -72.75)  281.02                80
 07/24/2024   06:38:48   (   0.04, -75.23) (   0.65, -78.02)  317.08                80
 07/25/2024   06:17:24   (   0.04, -75.24) (  -0.35, -73.48)  200.44                80
 07/26/2024   18:39:21   (  -0.04, -75.25) (  -0.81, -78.79)  402.60                80
 07/27/2024   18:20:36   (  -0.04, -75.26) (   0.20, -74.26)  115.31                80
 07/29/2024   06:45:04   (   0.04, -75.29) (   1.02, -79.51)  481.87                80
 07/30/2024   06:23:40   (   0.03, -75.31) (  -0.06, -74.99)   36.09                80
 08/01/2024   18:29:32   (  -0.01, -75.34) (  -0.12, -75.76)   48.48                80
 08/02/2024   18:10:49   (   0.02, -75.36) (   0.96, -71.24)  469.45                80