Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 10 15.  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)
 10/17/2025   07:42:06   (  -0.20, -89.49) (   0.79, -93.78)  490.27                80
 10/18/2025   07:20:40   (  -0.22, -89.49) (  -0.26, -89.25)   26.80                80
 10/20/2025   19:26:28   (   0.20, -89.53) (   0.07, -90.00)   54.25                80
 10/21/2025   19:05:02   (   0.22, -89.54) (   1.13, -85.48)  463.71                80
 10/23/2025   07:29:27   (  -0.19, -89.53) (   0.09, -90.72)  136.07                80
 10/24/2025   07:08:01   (  -0.20, -89.54) (  -0.97, -86.20)  381.30                80
 10/25/2025   19:32:35   (   0.17, -89.57) (  -0.26, -91.48)  217.56                80
 10/26/2025   19:11:09   (   0.19, -89.58) (   0.80, -86.95)  300.37                80
 10/28/2025   07:35:33   (  -0.16, -89.58) (   0.40, -92.20)  298.33                80
 10/29/2025   07:14:07   (  -0.18, -89.58) (  -0.61, -87.66)  219.20                80