Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 7 3.  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)
 07/04/2025   19:49:38   (   0.03, -93.13) (  -0.71, -96.38)  370.21                80
 07/05/2025   19:33:33   (   0.03, -92.60) (   0.23, -91.83)   88.43                80
 07/08/2025   07:33:51   (  -0.04, -91.24) (   0.27, -92.50)  144.09                80
 07/09/2025   07:17:45   (  -0.04, -90.71) (  -0.68, -87.95)  314.51                80
 07/10/2025   19:37:00   (   0.04, -89.91) (  -0.70, -93.22)  376.83                80
 07/11/2025   19:20:53   (   0.04, -89.38) (   0.18, -88.66)   81.99                80
 07/14/2025   07:21:12   (  -0.05, -88.03) (   0.25, -89.34)  149.41                80
 07/15/2025   07:05:06   (  -0.04, -87.50) (  -0.64, -84.78)  309.82                80
 07/16/2025   19:24:20   (   0.05, -86.72) (  -0.73, -90.05)  380.59                80
 07/17/2025   19:08:14   (   0.05, -86.19) (   0.22, -85.50)   78.84                80