Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 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)
 07/02/2025   07:46:30   (  -0.02, -94.45) (   0.25, -95.66)  137.55                80
 07/03/2025   07:30:24   (  -0.02, -93.92) (  -0.63, -91.10)  321.05                80
 07/04/2025   19:49:39   (   0.03, -93.13) (  -0.69, -96.38)  370.23                80
 07/05/2025   19:33:32   (   0.03, -92.60) (   0.19, -91.82)   88.38                80
 07/08/2025   07:33:51   (  -0.04, -91.24) (   0.25, -92.50)  144.08                80
 07/09/2025   07:17:45   (  -0.04, -90.71) (  -0.63, -87.94)  314.52                80
 07/10/2025   19:37:00   (   0.04, -89.91) (  -0.68, -93.22)  376.75                80
 07/11/2025   19:20:54   (   0.04, -89.38) (   0.20, -88.66)   82.06                80
 07/14/2025   07:21:12   (  -0.05, -88.03) (   0.23, -89.34)  149.34                80
 07/15/2025   07:05:06   (  -0.04, -87.50) (  -0.66, -84.79)  309.92                80