Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 8.  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)
 08/09/2025   07:33:53   (  -0.14, -89.47) (   0.50, -92.47)  341.50                80
 08/10/2025   07:17:48   (  -0.14, -89.47) (  -0.46, -87.93)  175.10                80
 08/11/2025   19:37:05   (   0.15, -89.51) (  -0.67, -93.24)  425.34                80
 08/12/2025   19:21:00   (   0.14, -89.51) (   0.30, -88.70)   91.63                80
 08/15/2025   07:24:04   (  -0.15, -89.49) (  -0.17, -89.45)    4.60                80
 08/17/2025   19:24:35   (   0.16, -89.53) (   0.03, -90.23)   79.41                80
 08/18/2025   19:08:30   (   0.16, -89.53) (   1.00, -85.69)  437.43                80
 08/20/2025   07:27:38   (  -0.17, -89.50) (   0.16, -90.96)  166.44                80
 08/21/2025   07:11:34   (  -0.17, -89.51) (  -0.86, -86.43)  350.69                80