Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 16.  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)
 08/17/2025   08:27:25   (  -0.07,-104.72) (   0.06,-105.25)   61.55                80
 08/18/2025   08:06:01   (  -0.07,-104.71) (  -0.97,-100.73)  454.27                80
 08/19/2025   20:27:57   (   0.08,-104.72) (  -0.20,-106.03)  148.73                80
 08/20/2025   20:11:52   (   0.08,-104.72) (   0.78,-101.49)  367.58                80
 08/22/2025   08:33:40   (  -0.09,-104.70) (   0.38,-106.77)  235.16                80
 08/23/2025   08:12:16   (  -0.08,-104.70) (  -0.65,-102.24)  281.29                80
 08/24/2025   20:34:11   (   0.09,-104.72) (  -0.55,-107.54)  321.01                80
 08/25/2025   20:18:06   (   0.09,-104.73) (   0.48,-103.01)  195.95                80
 08/27/2025   08:39:55   (  -0.09,-104.72) (   0.68,-108.28)  405.71                80
 08/28/2025   08:18:29   (  -0.09,-104.72) (  -0.30,-103.74)  110.93                80
 08/29/2025   20:40:25   (   0.10,-104.73) (  -0.90,-109.04)  491.84                80