Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 25.  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)
 05/27/2025   20:02:08   (   0.01, -99.67) (  -0.00, -99.60)    7.42                80
 05/30/2025   08:05:19   (  -0.01,-100.97) (  -0.14,-100.42)   62.60                80
 05/31/2025   20:29:59   (   0.00,-101.79) (  -0.88,-105.77)  452.98                80
 06/01/2025   20:08:37   (   0.01,-102.32) (   0.27,-101.27)  119.99                80
 06/03/2025   08:33:09   (  -0.00,-103.11) (   0.78,-106.57)  395.15                80
 06/04/2025   08:11:47   (  -0.01,-103.63) (  -0.37,-102.08)  177.85                80
 06/05/2025   20:36:28   (   0.00,-104.46) (  -0.65,-107.42)  337.24                80
 06/06/2025   20:15:05   (   0.01,-104.99) (   0.45,-102.91)  236.00                80
 06/08/2025   08:39:37   (  -0.00,-105.78) (   0.54,-108.23)  278.90                80