Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 19.  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)
 11/21/2025   19:26:33   (   0.03, -89.50) (  -0.07, -89.96)   52.50                80
 11/22/2025   19:05:11   (   0.06, -89.50) (   0.95, -85.44)  462.68                80
 11/24/2025   07:29:40   (  -0.00, -89.50) (   0.28, -90.71)  137.77                80
 11/25/2025   07:08:18   (  -0.04, -89.50) (  -0.75, -86.18)  376.98                80
 11/26/2025   19:32:57   (  -0.02, -89.50) (  -0.47, -91.49)  227.16                80
 11/27/2025   19:11:35   (   0.02, -89.51) (   0.56, -86.97)  288.46                80
 11/29/2025   07:36:04   (   0.04, -89.52) (   0.67, -92.24)  310.34                80
 11/30/2025   07:14:42   (   0.01, -89.52) (  -0.42, -87.73)  204.94                80
 12/01/2025   19:39:21   (  -0.06, -89.52) (  -0.84, -93.03)  399.25                80
 12/02/2025   19:17:58   (  -0.04, -89.53) (   0.19, -88.51)  116.59                80