Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 9 16.  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)
 09/18/2025   08:27:15   (  -0.12,-104.66) (  -0.01,-105.21)   63.28                80
 09/19/2025   08:05:50   (  -0.13,-104.66) (  -1.02,-100.68)  453.63                80
 09/20/2025   20:27:45   (   0.13,-104.68) (  -0.15,-105.98)  147.42                80
 09/21/2025   20:11:39   (   0.13,-104.69) (   0.86,-101.44)  370.15                80
 09/23/2025   08:33:27   (  -0.12,-104.69) (   0.32,-106.71)  230.20                80
 09/24/2025   08:12:01   (  -0.13,-104.69) (  -0.69,-102.18)  286.94                80
 09/25/2025   20:33:56   (   0.12,-104.71) (  -0.47,-107.48)  314.71                80
 09/26/2025   20:17:51   (   0.13,-104.72) (   0.54,-102.94)  202.67                80
 09/28/2025   08:39:37   (  -0.12,-104.72) (   0.68,-108.20)  397.42                80
 09/29/2025   08:18:13   (  -0.13,-104.72) (  -0.38,-103.68)  119.37                80