Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 6 6.  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)
 06/08/2025   08:39:36   (   0.00,-105.75) (   0.56,-108.22)  282.34                80
 06/09/2025   08:18:15   (  -0.00,-106.26) (  -0.60,-103.73)  289.97                80
 06/10/2025   20:42:55   (   0.00,-107.08) (  -0.43,-109.07)  226.44                80
 06/11/2025   20:21:33   (   0.01,-107.60) (   0.67,-104.56)  345.98                80
 06/13/2025   08:46:04   (  -0.01,-108.38) (   0.34,-109.87)  170.00                80
 06/14/2025   08:24:43   (  -0.01,-108.90) (  -0.82,-105.38)  402.14                80
 06/15/2025   20:49:23   (   0.01,-109.71) (  -0.20,-110.72)  114.70                80
 06/16/2025   20:28:01   (   0.01,-110.23) (   0.90,-106.21)  457.83                80
 06/18/2025   08:52:32   (  -0.01,-111.02) (   0.11,-111.52)   57.72                80