Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 27.  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)
 05/30/2025   08:05:19   (  -0.01,-100.97) (  -0.14,-100.42)   62.36                80
 05/31/2025   20:29:59   (   0.00,-101.79) (  -0.88,-105.77)  453.24                80
 06/01/2025   20:08:37   (   0.01,-102.31) (   0.27,-101.27)  119.66                80
 06/03/2025   08:33:09   (  -0.00,-103.10) (   0.79,-106.57)  395.64                80
 06/04/2025   08:11:47   (  -0.00,-103.63) (  -0.37,-102.08)  177.31                80
 06/05/2025   20:36:28   (   0.00,-104.46) (  -0.66,-107.42)  337.80                80
 06/06/2025   20:15:06   (   0.01,-104.98) (   0.50,-102.92)  235.37                80
 06/08/2025   08:39:37   (  -0.00,-105.78) (   0.55,-108.23)  279.72                80
 06/09/2025   08:18:16   (  -0.01,-106.30) (  -0.61,-103.73)  293.07                80