Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 9.  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)
 07/10/2025   08:39:49   (  -0.01,-104.71) (   0.79,-108.24)  402.24                80
 07/11/2025   08:18:24   (  -0.02,-104.71) (  -0.21,-103.71)  113.55                80
 07/12/2025   20:40:23   (   0.02,-104.71) (  -0.93,-109.03)  491.28                80
 07/13/2025   20:24:18   (   0.02,-104.71) (   0.07,-104.50)   24.98                80
 07/16/2025   08:27:21   (   0.00,-104.71) (   0.12,-105.23)   59.49                80
 07/17/2025   08:05:57   (   0.01,-104.70) (  -0.88,-100.70)  456.59                80
 07/18/2025   20:27:55   (   0.02,-104.70) (  -0.25,-106.02)  148.89                80
 07/19/2025   20:11:50   (   0.01,-104.70) (   0.76,-101.49)  367.19                80
 07/21/2025   08:33:38   (  -0.01,-104.69) (   0.45,-106.75)  234.24                80
 07/22/2025   08:12:13   (  -0.00,-104.69) (  -0.56,-102.22)  281.45                80