Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2025   20:40:23   (   0.02,-104.72) (  -0.93,-109.03)  490.81                80
 07/13/2025   20:24:18   (   0.02,-104.72) (   0.07,-104.49)   25.48                80
 07/16/2025   08:27:21   (  -0.01,-104.71) (   0.12,-105.23)   59.37                80
 07/17/2025   08:05:57   (  -0.01,-104.71) (  -0.88,-100.70)  456.71                80
 07/18/2025   20:27:55   (   0.01,-104.71) (  -0.25,-106.02)  147.82                80
 07/19/2025   20:11:50   (   0.01,-104.71) (   0.76,-101.48)  368.36                80
 07/21/2025   08:33:38   (  -0.00,-104.70) (   0.44,-106.75)  233.17                80
 07/22/2025   08:12:13   (  -0.00,-104.70) (  -0.56,-102.22)  282.62                80
 07/23/2025   20:34:10   (  -0.00,-104.69) (  -0.62,-107.53)  322.38                80
 07/24/2025   20:18:06   (  -0.00,-104.69) (   0.39,-103.00)  193.81                80