Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2026 7 1.  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)
 07/03/2026   19:24:34   (   0.63, -89.50) (   0.53, -90.07)   64.55                80
 07/04/2026   19:08:29   (   0.58, -89.50) (   1.45, -85.53)  452.65                80
 07/06/2026   07:27:39   (  -0.67, -89.51) (  -0.40, -90.83)  150.15                80
 07/07/2026   07:11:34   (  -0.63, -89.51) (  -1.33, -86.28)  367.01                80
 07/08/2026   19:30:53   (   0.71, -89.51) (   0.23, -91.62)  240.04                80
 07/09/2026   19:14:48   (   0.68, -89.52) (   1.22, -87.09)  277.00                80
 07/11/2026   07:33:58   (  -0.76, -89.52) (  -0.12, -92.38)  325.72                80
 07/12/2026   07:17:53   (  -0.73, -89.52) (  -1.11, -87.85)  191.10                80
 07/13/2026   19:37:13   (   0.81, -89.52) (   0.02, -93.18)  416.16                80
 07/14/2026   19:21:07   (   0.77, -89.53) (   0.96, -88.64)  101.10                80