Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 24.  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)
 01/25/2025   18:10:51   (  -0.01, -75.21) (   0.92, -71.15)  463.32                80
 01/27/2025   06:32:34   (   0.01, -75.20) (   0.26, -76.40)  136.31                80
 01/28/2025   06:11:07   (   0.01, -75.20) (  -0.76, -71.86)  381.57                80
 01/29/2025   18:32:58   (  -0.01, -75.22) (  -0.43, -77.14)  218.95                80
 01/30/2025   18:16:51   (  -0.01, -75.23) (   0.60, -72.60)  299.69                80
 02/01/2025   06:38:34   (   0.00, -75.24) (   0.57, -77.86)  298.19                80
 02/02/2025   06:17:05   (   0.00, -75.25) (  -0.41, -73.31)  220.65                80
 02/03/2025   18:38:57   (  -0.00, -75.27) (  -0.77, -78.59)  379.03                80
 02/04/2025   18:22:49   (  -0.00, -75.29) (   0.27, -74.06)  140.30                80
 02/06/2025   06:44:33   (  -0.00, -75.31) (   0.87, -79.32)  456.37                80
 02/07/2025   06:23:04   (  -0.01, -75.32) (  -0.12, -74.77)   62.75                80