Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 26.  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)
 08/27/2025   19:37:04   (   0.19, -89.52) (  -0.62, -93.24)  423.44                80
 08/28/2025   19:20:58   (   0.19, -89.53) (   0.36, -88.70)   93.73                80
 08/31/2025   07:21:21   (  -0.20, -89.50) (  -0.19, -89.44)    7.16                80
 09/02/2025   19:24:32   (   0.21, -89.55) (   0.03, -90.21)   75.63                80
 09/03/2025   19:08:27   (   0.21, -89.56) (   1.08, -85.68)  441.67                80
 09/05/2025   07:30:16   (  -0.22, -89.53) (   0.08, -90.96)  161.94                80
 09/06/2025   07:08:50   (  -0.22, -89.54) (  -0.90, -86.42)  355.44                80
 09/07/2025   19:30:45   (   0.22, -89.59) (  -0.27, -91.72)  242.93                80
 09/08/2025   19:14:41   (   0.22, -89.61) (   0.77, -87.20)  274.96                80