Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2026 4 2.  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)
 04/03/2026   08:31:36   (   0.14,-104.72) (   0.54,-106.50)  203.50                80
 04/04/2026   08:15:30   (   0.14,-104.72) (  -0.46,-101.96)  313.63                80
 04/05/2026   20:34:47   (  -0.13,-104.68) (  -0.70,-107.26)  294.61                80
 04/06/2026   20:18:41   (  -0.14,-104.68) (   0.31,-102.72)  222.57                80
 04/08/2026   08:37:48   (   0.13,-104.72) (   0.87,-107.98)  372.52                80
 04/09/2026   08:21:42   (   0.14,-104.71) (  -0.14,-103.44)  144.55                80
 04/10/2026   20:40:57   (  -0.13,-104.67) (  -1.06,-108.74)  463.86                80
 04/11/2026   20:24:52   (  -0.14,-104.67) (  -0.05,-104.20)   53.45                80
 04/14/2026   08:25:13   (   0.14,-104.71) (   0.21,-104.92)   24.28                80
 04/15/2026   08:09:07   (   0.14,-104.71) (  -0.80,-100.38)  493.24                80