Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 13.  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)
 08/14/2025   20:24:22   (   0.06,-104.74) (   0.09,-104.51)   25.47                80
 08/17/2025   08:27:26   (  -0.07,-104.72) (   0.03,-105.26)   61.40                80
 08/18/2025   08:06:01   (  -0.07,-104.71) (  -0.99,-100.73)  454.46                80
 08/19/2025   20:27:57   (   0.08,-104.72) (  -0.23,-106.03)  149.15                80
 08/20/2025   20:11:52   (   0.08,-104.72) (   0.80,-101.50)  367.16                80
 08/22/2025   08:33:41   (  -0.09,-104.71) (   0.35,-106.77)  235.00                80
 08/23/2025   08:12:15   (  -0.09,-104.71) (  -0.62,-102.23)  281.48                80
 08/24/2025   20:34:11   (   0.09,-104.72) (  -0.52,-107.54)  321.41                80
 08/25/2025   20:18:06   (   0.09,-104.72) (   0.45,-103.00)  195.59                80
 08/27/2025   08:39:54   (  -0.10,-104.72) (   0.70,-108.28)  405.49                80