Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 30.  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)
 10/31/2025   19:17:14   (   0.17, -89.50) (   0.41, -88.40)  125.49                80
 11/02/2025   07:41:39   (  -0.13, -89.50) (   0.77, -93.65)  473.30                80
 11/03/2025   07:20:12   (  -0.16, -89.50) (  -0.24, -89.11)   43.67                80
 11/05/2025   19:25:59   (   0.13, -89.52) (   0.03, -89.86)   39.38                80
 11/06/2025   19:04:33   (   0.15, -89.52) (   1.11, -85.33)  478.10                80
 11/08/2025   07:28:57   (  -0.11, -89.52) (   0.12, -90.57)  120.30                80
 11/09/2025   07:07:30   (  -0.14, -89.52) (  -0.90, -86.03)  396.55                80
 11/10/2025   19:32:04   (   0.09, -89.53) (  -0.32, -91.32)  203.95                80
 11/11/2025   19:10:37   (   0.12, -89.54) (   0.71, -86.78)  313.90                80
 11/13/2025   07:35:01   (  -0.08, -89.55) (   0.45, -92.04)  282.44                80