Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 2 18.  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)
 02/19/2025   20:21:16   (   0.00,-104.19) (  -0.01,-104.31)   14.25                80
 02/20/2025   20:05:12   (   0.01,-104.04) (   0.97, -99.78)  485.38                80
 02/22/2025   08:24:18   (  -0.01,-103.69) (   0.31,-105.03)  152.79                80
 02/23/2025   08:08:14   (  -0.01,-103.54) (  -0.69,-100.50)  346.47                80
 02/24/2025   20:27:31   (   0.02,-103.41) (  -0.51,-105.81)  273.01                80
 02/25/2025   20:11:26   (   0.02,-103.26) (   0.48,-101.27)  226.57                80
 02/27/2025   08:33:13   (  -0.03,-102.92) (   0.78,-106.53)  410.71                80
 02/28/2025   08:14:28   (  -0.03,-102.77) (  -0.22,-102.00)   88.86                80
 03/02/2025   20:15:00   (   0.03,-102.49) (  -0.01,-102.76)   30.93                80
 03/03/2025   19:58:55   (   0.03,-102.34) (   0.94, -98.22)  469.04                80