Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 6 13.  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)
 06/14/2025   08:27:07   (  -0.00,-104.73) (   0.12,-105.16)   49.72                80
 06/15/2025   08:05:43   (  -0.00,-104.72) (  -0.93,-100.64)  465.36                80
 06/16/2025   20:27:41   (  -0.00,-104.72) (  -0.27,-105.95)  140.55                80
 06/17/2025   20:11:36   (   0.00,-104.71) (   0.71,-101.42)  374.80                80
 06/19/2025   08:33:24   (   0.00,-104.70) (   0.46,-106.69)  227.42                80
 06/20/2025   08:12:01   (  -0.00,-104.69) (  -0.59,-102.17)  287.68                80
 06/21/2025   20:33:58   (   0.00,-104.67) (  -0.61,-107.47)  318.88                80
 06/22/2025   20:17:54   (   0.01,-104.66) (   0.38,-102.94)  196.12                80
 06/24/2025   08:39:42   (  -0.01,-104.65) (   0.78,-108.21)  406.40                80
 06/25/2025   08:18:18   (  -0.00,-104.63) (  -0.21,-103.68)  108.49                80
 06/26/2025   20:40:15   (  -0.00,-104.62) (  -0.98,-108.99)  498.35                80