Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 15.  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)
 11/15/2025   19:37:43   (   0.06, -89.50) (   0.00, -93.11)  401.34                 0
 11/16/2025   19:17:29   (   0.08, -89.50) (   0.31, -88.43)  122.59                80
 11/18/2025   07:41:58   (  -0.03, -89.50) (   0.92, -93.69)  477.63                80
 11/19/2025   07:20:37   (  -0.06, -89.51) (  -0.16, -89.18)   37.54                80
 11/21/2025   19:26:34   (   0.03, -89.52) (  -0.05, -89.97)   50.58                80
 11/22/2025   19:05:11   (   0.06, -89.53) (   0.98, -85.45)  465.19                80
 11/24/2025   07:29:40   (  -0.01, -89.53) (   0.24, -90.71)  134.39                80
 11/25/2025   07:08:18   (  -0.04, -89.53) (  -0.79, -86.19)  380.85                80
 11/26/2025   19:32:56   (  -0.01, -89.54) (  -0.47, -91.49)  222.55                80
 11/27/2025   19:11:34   (   0.02, -89.55) (   0.56, -86.97)  293.64                80
 11/29/2025   07:36:03   (   0.04, -89.57) (   0.65, -92.24)  304.20                80