Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 11 14.  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)
 11/15/2025   19:38:52   (   0.06, -89.50) (  -0.69, -92.95)  393.01                80
 11/16/2025   19:17:29   (   0.08, -89.51) (   0.33, -88.43)  122.64                80
 11/18/2025   07:41:59   (  -0.03, -89.51) (   0.91, -93.69)  477.43                80
 11/19/2025   07:20:36   (  -0.06, -89.51) (  -0.11, -89.17)   37.76                80
 11/21/2025   19:26:33   (   0.03, -89.52) (  -0.09, -89.96)   50.21                80
 11/22/2025   19:05:11   (   0.06, -89.53) (   1.00, -85.45)  465.61                80
 11/24/2025   07:29:40   (  -0.01, -89.54) (   0.28, -90.70)  133.87                80
 11/25/2025   07:08:18   (  -0.04, -89.54) (  -0.81, -86.20)  381.46                80
 11/26/2025   19:32:57   (  -0.01, -89.55) (  -0.45, -91.50)  221.89                80
 11/27/2025   19:11:34   (   0.02, -89.56) (   0.59, -86.98)  294.34                80