Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 27.  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)
 10/28/2025   07:35:32   (  -0.16, -89.49) (   0.46, -92.18)  307.71                80
 10/29/2025   07:14:07   (  -0.18, -89.48) (  -0.60, -87.65)  208.61                80
 10/30/2025   19:38:40   (   0.15, -89.50) (  -0.63, -92.94)  392.30                80
 10/31/2025   19:17:15   (   0.17, -89.50) (   0.44, -88.41)  124.83                80
 11/02/2025   07:41:38   (  -0.13, -89.49) (   0.81, -93.65)  474.00                80
 11/03/2025   07:20:13   (  -0.16, -89.49) (  -0.27, -89.12)   42.93                80
 11/05/2025   19:25:59   (   0.13, -89.51) (   0.06, -89.87)   40.82                80
 11/06/2025   19:04:33   (   0.15, -89.51) (   1.08, -85.33)  476.40                80
 11/08/2025   07:28:56   (  -0.11, -89.50) (   0.15, -90.57)  122.06                80
 11/09/2025   07:07:31   (  -0.14, -89.50) (  -0.93, -86.04)  394.67                80
 11/10/2025   19:32:03   (   0.09, -89.51) (  -0.34, -91.31)  206.30                80