Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 21.  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)
 10/21/2025   19:06:04   (   0.22, -89.53) (   1.12, -85.47)  462.56                18
 10/23/2025   07:29:27   (  -0.19, -89.51) (   0.10, -90.72)  137.67                80
 10/24/2025   07:08:01   (  -0.20, -89.52) (  -0.96, -86.19)  379.42                80
 10/25/2025   19:32:34   (   0.17, -89.55) (  -0.28, -91.47)  219.88                80
 10/26/2025   19:11:09   (   0.19, -89.55) (   0.79, -86.94)  297.74                80
 10/28/2025   07:35:33   (  -0.16, -89.55) (   0.41, -92.19)  301.41                80
 10/29/2025   07:14:07   (  -0.18, -89.55) (  -0.60, -87.65)  215.85                80
 10/30/2025   19:38:40   (   0.15, -89.58) (  -0.63, -92.94)  383.55                80
 10/31/2025   19:17:15   (   0.17, -89.59) (   0.44, -88.41)  134.55                80
 11/02/2025   07:41:38   (  -0.14, -89.60) (   0.80, -93.65)  462.79                80
 11/03/2025   07:20:12   (  -0.16, -89.60) (  -0.28, -89.12)   55.02                80