Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2026 6 13.  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)
 06/14/2026   07:40:07   (  -0.38, -89.50) (   0.56, -93.74)  483.30                80
 06/15/2026   07:24:00   (  -0.33, -89.50) (  -0.39, -89.20)   34.46                80
 06/17/2026   19:24:30   (   0.37, -89.51) (   0.26, -89.98)   52.96                80
 06/18/2026   19:08:24   (   0.33, -89.52) (   1.22, -85.43)  465.48                80
 06/20/2026   07:27:32   (  -0.42, -89.53) (  -0.16, -90.72)  135.83                80
 06/21/2026   07:11:26   (  -0.38, -89.54) (  -1.12, -86.18)  383.02                80
 06/22/2026   19:30:42   (   0.47, -89.56) (   0.02, -91.50)  221.23                80
 06/23/2026   19:14:36   (   0.43, -89.58) (   1.04, -86.97)  297.88                80
 06/25/2026   07:33:44   (  -0.52, -89.60) (   0.07, -92.25)  302.55                80
 06/26/2026   07:17:37   (  -0.48, -89.61) (  -0.89, -87.71)  216.51                80