Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 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)
 07/05/2025   08:33:32   (   0.02,-104.72) (   0.48,-106.72)  227.59                80
 07/06/2025   08:12:08   (   0.01,-104.72) (  -0.58,-102.20)  288.23                80
 07/07/2025   20:34:05   (   0.00,-104.72) (  -0.63,-107.50)  316.74                80
 07/08/2025   20:18:01   (   0.01,-104.72) (   0.37,-102.97)  199.12                80
 07/10/2025   08:39:49   (  -0.01,-104.71) (   0.77,-108.25)  402.46                80
 07/11/2025   08:18:25   (  -0.01,-104.71) (  -0.23,-103.71)  113.36                80
 07/12/2025   20:40:22   (   0.01,-104.71) (  -0.96,-109.02)  491.66                80
 07/13/2025   20:24:18   (   0.01,-104.71) (   0.04,-104.49)   24.49                80
 07/16/2025   08:27:21   (  -0.01,-104.70) (   0.10,-105.23)   60.61                80
 07/17/2025   08:05:57   (  -0.01,-104.70) (  -0.91,-100.70)  455.38                80