Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 9 4.  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)
 09/04/2025   20:27:53   (   0.12,-104.67) (  -0.17,-106.02)  152.68                80
 09/05/2025   20:11:48   (   0.12,-104.67) (   0.82,-101.48)  363.76                80
 09/07/2025   08:33:35   (  -0.12,-104.66) (   0.37,-106.74)  237.96                80
 09/08/2025   08:12:11   (  -0.12,-104.66) (  -0.68,-102.22)  278.33                80
 09/09/2025   20:34:05   (   0.12,-104.66) (  -0.55,-107.51)  325.28                80
 09/10/2025   20:18:01   (   0.12,-104.66) (   0.51,-102.99)  191.23                80
 09/12/2025   08:39:48   (  -0.12,-104.65) (   0.68,-108.25)  410.22                80
 09/13/2025   08:18:22   (  -0.13,-104.64) (  -0.32,-103.71)  105.61                80
 09/14/2025   20:40:18   (   0.13,-104.63) (  -0.83,-109.02)  499.22                80
 09/15/2025   20:24:12   (   0.13,-104.63) (   0.18,-104.48)   16.91                80