Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 10.  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)
 06/11/2025   20:24:01   (  -0.01,-104.41) (  -0.02,-104.41)    1.22                80
 06/14/2025   08:27:06   (   0.00,-104.40) (   0.17,-105.16)   85.50                80
 06/15/2025   08:05:41   (   0.00,-104.40) (  -0.82,-100.62)  430.11                80
 06/16/2025   20:27:40   (   0.00,-104.40) (  -0.32,-105.94)  174.79                80
 06/17/2025   20:11:35   (   0.00,-104.40) (   0.66,-101.41)  341.49                80
 06/19/2025   08:33:24   (  -0.00,-104.40) (   0.52,-106.68)  259.22                80
 06/20/2025   08:12:00   (  -0.00,-104.40) (  -0.53,-102.16)  256.57                80
 06/21/2025   20:33:57   (  -0.00,-104.39) (  -0.67,-107.46)  349.30                80
 06/22/2025   20:17:53   (  -0.00,-104.39) (   0.32,-102.93)  166.76                80
 06/24/2025   08:39:41   (   0.00,-104.40) (   0.85,-108.20)  433.57                80