Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 9 30.  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)
 09/30/2025   20:40:05   (   0.08,-104.69) (  -0.87,-108.95)  485.13                80
 10/01/2025   20:24:00   (   0.08,-104.69) (   0.15,-104.41)   31.62                80
 10/04/2025   08:27:01   (  -0.09,-104.69) (  -0.00,-105.14)   51.52                80
 10/05/2025   08:05:35   (  -0.09,-104.69) (  -1.03,-100.61)  465.11                80
 10/06/2025   20:27:29   (   0.08,-104.68) (  -0.22,-105.89)  138.44                80
 10/07/2025   20:11:23   (   0.09,-104.68) (   0.82,-101.36)  378.56                80
 10/09/2025   08:33:09   (  -0.08,-104.69) (   0.33,-106.63)  220.77                80
 10/10/2025   08:11:43   (  -0.08,-104.68) (  -0.65,-102.08)  295.52                80
 10/11/2025   20:33:37   (   0.07,-104.66) (  -0.53,-107.38)  309.23                80
 10/12/2025   20:17:31   (   0.08,-104.66) (   0.46,-102.84)  207.33                80
 10/14/2025   08:39:17   (  -0.07,-104.66) (   0.67,-108.11)  391.52                80