Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 6.  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)
 08/07/2025   19:14:45   (   0.13, -89.50) (   0.66, -87.20)  263.05                80
 08/09/2025   07:33:53   (  -0.14, -89.47) (   0.54, -92.46)  341.59                80
 08/10/2025   07:17:48   (  -0.14, -89.47) (  -0.48, -87.93)  174.90                80
 08/11/2025   19:37:05   (   0.15, -89.50) (  -0.70, -93.24)  425.86                80
 08/12/2025   19:21:00   (   0.14, -89.51) (   0.32, -88.71)   90.98                80
 08/15/2025   07:21:23   (  -0.15, -89.48) (  -0.14, -89.44)    4.38                80
 08/17/2025   19:24:35   (   0.16, -89.52) (  -0.00, -90.22)   80.38                80
 08/18/2025   19:08:30   (   0.16, -89.52) (   1.03, -85.69)  436.33                80
 08/20/2025   07:27:39   (  -0.17, -89.49) (   0.13, -90.97)  167.45                80