Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 12.  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)
 11/13/2025   07:35:33   (  -0.08, -89.49) (   0.54, -92.15)  304.37                80
 11/14/2025   07:14:12   (  -0.11, -89.49) (  -0.53, -87.64)  210.45                80
 11/15/2025   19:38:51   (   0.06, -89.50) (  -0.72, -92.95)  392.78                80
 11/16/2025   19:17:29   (   0.08, -89.51) (   0.30, -88.42)  123.03                80
 11/18/2025   07:41:59   (  -0.03, -89.51) (   0.88, -93.70)  476.77                80
 11/19/2025   07:20:37   (  -0.06, -89.52) (  -0.14, -89.18)   38.50                80
 11/21/2025   19:26:33   (   0.03, -89.53) (  -0.05, -89.97)   49.22                80
 11/22/2025   19:05:11   (   0.06, -89.54) (   0.98, -85.45)  466.74                80
 11/24/2025   07:29:40   (  -0.01, -89.55) (   0.24, -90.71)  132.37                80
 11/25/2025   07:08:18   (  -0.04, -89.55) (  -0.80, -86.19)  383.07                80
 11/26/2025   19:32:56   (  -0.01, -89.56) (  -0.45, -91.49)  220.20                80