Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 24.  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)
 07/26/2025   08:39:53   (  -0.03,-104.71) (   0.79,-108.26)  404.84                80
 07/27/2025   08:18:29   (  -0.02,-104.71) (  -0.22,-103.73)  111.76                80
 07/28/2025   20:40:26   (   0.03,-104.74) (  -0.95,-109.04)  490.80                80
 07/29/2025   20:24:22   (   0.03,-104.74) (   0.07,-104.51)   26.15                80
 08/01/2025   08:27:25   (  -0.03,-104.74) (   0.06,-105.26)   58.68                80
 08/02/2025   08:06:01   (  -0.03,-104.74) (  -0.96,-100.73)  458.03                80
 08/03/2025   20:27:57   (   0.03,-104.76) (  -0.25,-106.03)  144.84                80
 08/04/2025   20:11:53   (   0.03,-104.76) (   0.77,-101.50)  371.78                80
 08/06/2025   08:33:41   (  -0.04,-104.75) (   0.38,-106.77)  230.20                80
 08/07/2025   08:12:16   (  -0.04,-104.75) (  -0.58,-102.23)  286.22                80