Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2025   08:08:20   (  -0.01,-103.98) (  -0.77,-100.61)  384.18                80
 06/16/2025   20:27:37   (   0.01,-103.71) (  -0.50,-105.90)  250.04                80
 06/17/2025   20:11:32   (   0.01,-103.53) (   0.49,-101.37)  246.72                80
 06/19/2025   08:30:40   (  -0.00,-103.25) (   0.74,-106.62)  384.32                80
 06/20/2025   08:14:35   (  -0.00,-103.07) (  -0.25,-102.09)  112.19                80
 06/22/2025   20:15:06   (  -0.00,-102.61) (  -0.08,-102.84)   26.33                80
 06/23/2025   19:59:01   (  -0.01,-102.43) (   0.92, -98.30)  470.32                80
 06/25/2025   08:18:09   (   0.01,-102.15) (   0.31,-103.56)  160.76                80
 06/26/2025   08:02:03   (   0.01,-101.97) (  -0.63, -99.02)  335.56                80
 06/27/2025   20:21:20   (  -0.02,-101.69) (  -0.62,-104.31)  299.77                80