Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2026 3 10.  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)
 03/13/2026   08:28:10   (   0.14,-104.71) (   0.23,-105.09)   43.46                80
 03/14/2026   08:06:46   (   0.15,-104.70) (  -0.81,-100.56)  473.09                80
 03/15/2026   20:28:42   (  -0.15,-104.66) (  -0.39,-105.86)  135.80                80
 03/16/2026   20:12:36   (  -0.15,-104.66) (   0.60,-101.32)  381.09                80
 03/18/2026   08:34:23   (   0.15,-104.70) (   0.59,-106.57)  213.78                80
 03/19/2026   08:12:58   (   0.15,-104.70) (  -0.45,-102.04)  302.95                80
 03/20/2026   20:34:55   (  -0.15,-104.65) (  -0.74,-107.34)  306.22                80
 03/21/2026   20:18:49   (  -0.15,-104.65) (   0.26,-102.80)  210.46                80
 03/23/2026   08:37:55   (   0.15,-104.69) (   0.93,-108.06)  384.73                80
 03/24/2026   08:21:51   (   0.15,-104.68) (  -0.12,-103.53)  131.61                80