Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 7 12.  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)
 07/14/2025   07:21:17   (  -0.05, -89.38) (  -0.03, -89.40)    3.29                80
 07/16/2025   19:24:30   (   0.06, -89.20) (  -0.16, -90.17)  110.60                80
 07/17/2025   19:08:25   (   0.05, -89.13) (   0.85, -85.64)  397.39                80
 07/19/2025   07:27:32   (  -0.06, -88.99) (   0.35, -90.91)  218.27                80
 07/20/2025   07:11:28   (  -0.06, -88.91) (  -0.66, -86.38)  289.83                80
 07/21/2025   19:30:44   (   0.08, -88.82) (  -0.59, -91.67)  325.60                80
 07/22/2025   19:14:40   (   0.08, -88.74) (   0.42, -87.14)  182.41                80
 07/24/2025   07:33:47   (  -0.09, -88.60) (   0.78, -92.40)  433.45                80
 07/25/2025   07:17:43   (  -0.08, -88.53) (  -0.23, -87.87)   75.24                80