Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 8 16.  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)
 08/17/2025   19:24:35   (   0.16, -89.52) (   0.03, -90.22)   79.98                80
 08/18/2025   19:08:30   (   0.16, -89.52) (   1.00, -85.68)  436.59                80
 08/20/2025   07:27:38   (  -0.17, -89.48) (   0.15, -90.96)  169.03                80
 08/21/2025   07:11:34   (  -0.17, -89.48) (  -0.88, -86.43)  347.83                80
 08/22/2025   19:30:49   (   0.18, -89.53) (  -0.33, -91.73)  250.55                80
 08/23/2025   19:14:44   (   0.18, -89.54) (   0.70, -87.20)  267.04                80
 08/25/2025   07:36:33   (  -0.19, -89.52) (   0.46, -92.48)  336.77                80
 08/26/2025   07:15:07   (  -0.18, -89.53) (  -0.52, -87.93)  181.03                80
 08/27/2025   19:37:04   (   0.19, -89.59) (  -0.62, -93.25)  416.43                80
 08/28/2025   19:20:59   (   0.19, -89.60) (   0.41, -88.72)  101.61                80