Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 7 9.  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)
 07/10/2025   19:37:00   (   0.05, -89.92) (  -0.69, -93.22)  375.89                80
 07/11/2025   19:20:53   (   0.05, -89.39) (   0.19, -88.66)   83.10                80
 07/14/2025   07:21:12   (  -0.05, -88.04) (   0.24, -89.34)  148.11                80
 07/15/2025   07:05:06   (  -0.05, -87.52) (  -0.64, -84.78)  311.26                80
 07/16/2025   19:24:21   (   0.06, -86.73) (  -0.67, -90.06)  378.69                80
 07/17/2025   19:08:15   (   0.06, -86.21) (   0.22, -85.50)   80.86                80
 07/20/2025   07:08:33   (  -0.07, -84.87) (   0.21, -86.18)  149.58                80
 07/21/2025   06:52:27   (  -0.07, -84.34) (  -0.67, -81.63)  309.81                80
 07/22/2025   19:11:41   (   0.08, -83.56) (  -0.68, -86.89)  380.17                80
 07/23/2025   18:55:35   (   0.08, -83.04) (   0.21, -82.34)   79.69                80