Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 12.  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)
 08/13/2025   20:40:27   (   0.06,-104.74) (  -0.93,-109.04)  491.23                80
 08/14/2025   20:24:22   (   0.06,-104.74) (   0.10,-104.52)   25.22                80
 08/17/2025   08:27:25   (  -0.07,-104.72) (   0.08,-105.25)   61.45                80
 08/18/2025   08:06:01   (  -0.07,-104.71) (  -0.95,-100.72)  454.45                80
 08/19/2025   20:27:57   (   0.08,-104.72) (  -0.21,-106.03)  149.30                80
 08/20/2025   20:11:53   (   0.08,-104.72) (   0.82,-101.50)  366.99                80
 08/22/2025   08:33:40   (  -0.09,-104.71) (   0.39,-106.77)  235.04                80
 08/23/2025   08:12:15   (  -0.09,-104.71) (  -0.64,-102.24)  281.42                80
 08/24/2025   20:34:11   (   0.09,-104.72) (  -0.56,-107.54)  321.63                80
 08/25/2025   20:18:06   (   0.09,-104.72) (   0.48,-103.01)  195.35                80