Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 6 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)
 06/05/2025   20:36:27   (  -0.01,-104.44) (  -0.67,-107.42)  339.42                80
 06/06/2025   20:15:05   (  -0.00,-104.96) (   0.43,-102.91)  233.35                80
 06/08/2025   08:39:37   (   0.00,-105.75) (   0.54,-108.23)  282.38                80
 06/09/2025   08:18:14   (  -0.00,-106.26) (  -0.56,-103.72)  289.94                80
 06/10/2025   20:42:55   (   0.00,-107.08) (  -0.46,-109.06)  226.44                80
 06/11/2025   20:21:33   (   0.01,-107.60) (   0.70,-104.57)  346.01                80
 06/13/2025   08:46:05   (  -0.01,-108.38) (   0.31,-109.88)  169.95                80
 06/14/2025   08:24:42   (  -0.01,-108.90) (  -0.80,-105.37)  402.20                80
 06/15/2025   20:49:22   (   0.01,-109.71) (  -0.22,-110.72)  114.58                80
 06/16/2025   20:28:00   (   0.01,-110.23) (   0.89,-106.21)  457.98                80
 06/18/2025   08:52:31   (  -0.01,-111.02) (   0.11,-111.52)   57.54                80