Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/26/2025   07:36:17   (  -0.23, -89.49) (   0.42, -92.40)  332.02                80
 09/27/2025   07:14:51   (  -0.24, -89.48) (  -0.59, -87.87)  184.20                80
 09/28/2025   19:39:26   (   0.23, -89.51) (  -0.61, -93.16)  416.34                80
 09/29/2025   19:18:01   (   0.24, -89.51) (   0.46, -88.64)  100.34                80
 10/02/2025   07:21:02   (  -0.24, -89.48) (  -0.29, -89.36)   14.34                80
 10/04/2025   19:26:51   (   0.24, -89.51) (   0.12, -90.12)   69.12                80
 10/05/2025   19:05:25   (   0.25, -89.52) (   1.15, -85.59)  448.23                80
 10/07/2025   07:29:51   (  -0.23, -89.50) (   0.08, -90.84)  153.03                80
 10/08/2025   07:08:25   (  -0.24, -89.50) (  -0.96, -86.31)  363.96                80
 10/09/2025   19:32:59   (   0.22, -89.53) (  -0.23, -91.60)  236.09                80