Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 3 18.  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)
 03/19/2025   18:17:17   (   0.08, -75.40) (   0.68, -72.79)  298.28                80
 03/21/2025   06:39:03   (  -0.07, -75.44) (   0.50, -78.05)  298.08                80
 03/22/2025   06:17:38   (  -0.07, -75.45) (  -0.50, -73.52)  220.57                80
 03/23/2025   18:39:33   (   0.06, -75.48) (  -0.71, -78.82)  380.56                80
 03/24/2025   18:23:28   (   0.06, -75.51) (   0.36, -74.29)  138.82                80
 03/26/2025   06:45:14   (  -0.05, -75.55) (   0.87, -79.55)  455.99                80
 03/27/2025   06:23:49   (  -0.05, -75.58) (  -0.20, -75.03)   63.50                80
 03/29/2025   18:26:59   (   0.05, -75.64) (   0.05, -75.80)   17.10                80
 04/01/2025   06:32:39   (  -0.05, -75.73) (   0.14, -76.52)   90.30                80