Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 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)
 01/21/2025   06:45:22   (  -0.02, -75.19) (   0.94, -79.48)  489.72                80
 01/22/2025   06:23:54   (  -0.02, -75.19) (  -0.07, -74.94)   27.94                80
 01/24/2025   18:26:58   (  -0.01, -75.20) (  -0.12, -75.68)   54.91                80
 01/25/2025   18:10:51   (  -0.01, -75.20) (   0.89, -71.14)  463.03                80
 01/27/2025   06:32:34   (   0.00, -75.20) (   0.30, -76.39)  136.09                80
 01/28/2025   06:11:06   (   0.00, -75.21) (  -0.72, -71.85)  381.85                80
 01/29/2025   18:32:59   (   0.00, -75.22) (  -0.41, -77.15)  219.22                80
 01/30/2025   18:16:51   (   0.00, -75.23) (   0.62, -72.61)  299.51                80
 02/01/2025   06:38:35   (  -0.00, -75.25) (   0.55, -77.86)  297.71                80
 02/02/2025   06:17:06   (  -0.00, -75.26) (  -0.42, -73.31)  221.19                80