Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 6 5.  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)
 06/05/2025   20:36:38   (  -0.01,-104.44) (   0.00,-107.56)  347.96                80
 06/06/2025   20:15:05   (  -0.00,-104.96) (   0.45,-102.91)  233.34                80
 06/08/2025   08:39:36   (   0.00,-105.75) (   0.58,-108.22)  282.38                80
 06/09/2025   08:18:15   (  -0.00,-106.26) (  -0.58,-103.72)  289.92                80
 06/10/2025   20:42:55   (   0.00,-107.08) (  -0.44,-109.07)  226.47                80
 06/11/2025   20:21:34   (   0.01,-107.60) (   0.72,-104.57)  345.96                80
 06/13/2025   08:46:05   (  -0.01,-108.38) (   0.30,-109.88)  170.05                80
 06/14/2025   08:24:42   (  -0.01,-108.90) (  -0.80,-105.37)  402.10                80
 06/15/2025   20:49:23   (   0.01,-109.71) (  -0.22,-110.72)  114.73                80
 06/16/2025   20:28:00   (   0.01,-110.23) (   0.88,-106.21)  457.81                80
 06/18/2025   08:52:32   (  -0.01,-111.02) (   0.12,-111.52)   57.79                80