Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 6 14.  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)
 06/15/2025   08:05:43   (  -0.00,-104.72) (  -0.94,-100.65)  465.42                80
 06/16/2025   20:27:41   (  -0.01,-104.72) (  -0.26,-105.95)  140.29                80
 06/17/2025   20:11:36   (  -0.00,-104.71) (   0.73,-101.42)  375.07                80
 06/19/2025   08:33:25   (   0.01,-104.70) (   0.45,-106.69)  227.29                80
 06/20/2025   08:12:00   (   0.00,-104.69) (  -0.54,-102.16)  287.80                80
 06/21/2025   20:33:58   (  -0.00,-104.67) (  -0.60,-107.48)  318.57                80
 06/22/2025   20:17:54   (   0.00,-104.66) (   0.39,-102.94)  196.40                80
 06/24/2025   08:39:42   (  -0.01,-104.65) (   0.77,-108.22)  406.39                80
 06/25/2025   08:18:18   (  -0.01,-104.63) (  -0.22,-103.68)  108.44                80
 06/26/2025   20:40:15   (   0.00,-104.62) (  -0.97,-108.99)  498.25                80
 06/27/2025   20:24:11   (   0.00,-104.61) (   0.02,-104.46)   17.12                80