Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 9 28.  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)
 09/29/2025   19:18:01   (   0.24, -89.51) (   0.45, -88.63)  100.56                80
 10/02/2025   07:21:02   (  -0.24, -89.48) (  -0.28, -89.36)   14.46                80
 10/04/2025   19:26:51   (   0.24, -89.52) (   0.10, -90.12)   68.58                80
 10/05/2025   19:05:25   (   0.25, -89.52) (   1.13, -85.59)  448.76                80
 10/07/2025   07:29:50   (  -0.23, -89.50) (   0.10, -90.84)  152.45                80
 10/08/2025   07:08:25   (  -0.24, -89.51) (  -0.94, -86.30)  364.60                80
 10/09/2025   19:32:59   (   0.22, -89.53) (  -0.25, -91.60)  235.40                80
 10/10/2025   19:11:34   (   0.23, -89.54) (   0.78, -87.07)  281.88                80
 10/12/2025   07:35:59   (  -0.21, -89.53) (   0.43, -92.32)  318.72                80