Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 5.  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)
 07/06/2025   08:12:07   (   0.01,-104.72) (  -0.54,-102.19)  288.36                80
 07/07/2025   20:34:06   (  -0.00,-104.72) (  -0.61,-107.50)  316.63                80
 07/08/2025   20:18:01   (   0.01,-104.72) (   0.39,-102.97)  199.14                80
 07/10/2025   08:39:50   (  -0.01,-104.71) (   0.75,-108.25)  402.50                80
 07/11/2025   08:18:25   (  -0.01,-104.71) (  -0.25,-103.72)  113.31                80
 07/12/2025   20:40:22   (   0.01,-104.71) (  -0.95,-109.02)  491.76                80
 07/13/2025   20:24:18   (   0.01,-104.71) (   0.06,-104.49)   24.31                80
 07/16/2025   08:27:22   (  -0.01,-104.70) (   0.08,-105.24)   60.82                80
 07/17/2025   08:05:57   (  -0.01,-104.70) (  -0.92,-100.71)  455.22                80
 07/18/2025   20:27:55   (   0.01,-104.69) (  -0.26,-106.01)  149.89                80