Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 3 13.  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)
 03/14/2025   18:11:03   (   0.08, -75.31) (   0.96, -71.27)  460.07                80
 03/16/2025   06:32:50   (  -0.07, -75.34) (   0.18, -76.54)  136.57                80
 03/17/2025   06:11:25   (  -0.07, -75.36) (  -0.80, -72.01)  381.70                80
 03/18/2025   18:33:21   (   0.07, -75.38) (  -0.39, -77.31)  220.50                80
 03/19/2025   18:17:17   (   0.07, -75.40) (   0.66, -72.79)  298.30                80
 03/21/2025   06:39:03   (  -0.06, -75.44) (   0.53, -78.05)  297.27                80
 03/22/2025   06:17:39   (  -0.06, -75.46) (  -0.52, -73.52)  221.38                80
 03/23/2025   18:39:34   (   0.05, -75.48) (  -0.71, -78.82)  380.60                80
 03/24/2025   18:23:29   (   0.05, -75.51) (   0.35, -74.30)  138.73                80
 03/26/2025   06:45:16   (  -0.04, -75.56) (   0.84, -79.56)  455.39                80
 03/27/2025   06:23:50   (  -0.04, -75.59) (  -0.16, -75.02)   63.97                80