Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 10.  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)
 11/11/2025   19:11:04   (   0.12, -89.50) (   0.71, -86.89)  297.35                80
 11/13/2025   07:35:34   (  -0.08, -89.49) (   0.54, -92.15)  304.34                80
 11/14/2025   07:14:12   (  -0.11, -89.49) (  -0.53, -87.64)  210.52                80
 11/15/2025   19:38:51   (   0.06, -89.50) (  -0.73, -92.95)  392.72                80
 11/16/2025   19:17:30   (   0.08, -89.51) (   0.35, -88.44)  123.13                80
 11/18/2025   07:41:59   (  -0.03, -89.52) (   0.90, -93.70)  476.52                80
 11/19/2025   07:20:37   (  -0.06, -89.52) (  -0.12, -89.18)   38.79                80
 11/21/2025   19:26:34   (   0.03, -89.54) (  -0.10, -89.96)   49.07                80
 11/22/2025   19:05:12   (   0.06, -89.55) (   0.98, -85.45)  466.96                80
 11/24/2025   07:29:41   (  -0.01, -89.56) (   0.25, -90.72)  132.05                80