Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 21.  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)
 07/22/2025   08:12:13   (  -0.01,-104.71) (  -0.57,-102.22)  284.11                80
 07/23/2025   20:34:10   (   0.02,-104.73) (  -0.61,-107.52)  319.01                80
 07/24/2025   20:18:06   (   0.02,-104.73) (   0.40,-102.99)  197.45                80
 07/26/2025   08:39:53   (  -0.02,-104.71) (   0.80,-108.26)  404.54                80
 07/27/2025   08:18:29   (  -0.01,-104.72) (  -0.21,-103.73)  112.18                80
 07/28/2025   20:40:26   (   0.02,-104.74) (  -0.96,-109.04)  490.21                80
 07/29/2025   20:24:22   (   0.01,-104.75) (   0.06,-104.51)   26.85                80
 08/01/2025   08:27:25   (  -0.02,-104.74) (   0.07,-105.26)   57.73                80
 08/02/2025   08:06:01   (  -0.01,-104.75) (  -0.94,-100.72)  459.05                80
 08/03/2025   20:27:57   (   0.02,-104.77) (  -0.27,-106.03)  143.66                80
 08/04/2025   20:11:53   (   0.02,-104.77) (   0.75,-101.50)  373.07                80