Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2026 3 10.  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)
 03/11/2026   07:24:38   (   0.68, -89.53) (   0.61, -89.15)   42.48                80
 03/13/2026   19:25:10   (  -0.68, -89.49) (  -0.77, -89.92)   49.32                80
 03/14/2026   19:09:04   (  -0.69, -89.48) (   0.21, -85.38)  467.53                80
 03/16/2026   07:28:12   (   0.67, -89.51) (   0.93, -90.65)  129.26                80
 03/17/2026   07:12:06   (   0.69, -89.51) (  -0.06, -86.11)  387.77                80
 03/18/2026   19:31:24   (  -0.66, -89.48) (  -1.07, -91.42)  220.12                80
 03/19/2026   19:15:18   (  -0.67, -89.48) (  -0.09, -86.88)  297.23                80
 03/21/2026   07:34:25   (   0.65, -89.52) (   1.22, -92.15)  299.07                80
 03/22/2026   07:18:20   (   0.66, -89.52) (   0.23, -87.60)  218.13                80
 03/23/2026   19:37:36   (  -0.63, -89.48) (  -1.40, -92.90)  390.21                80
 03/24/2026   19:21:31   (  -0.65, -89.48) (  -0.41, -88.36)  127.10                80