Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2025   22:30:52   (  -0.02,-137.02) (   0.18,-136.03)  111.71                80
 01/24/2025   10:52:36   (   0.03,-137.00) (   0.97,-141.29)  488.91                80
 01/25/2025   10:31:09   (   0.03,-136.99) (  -0.05,-136.75)   28.17                80
 01/27/2025   22:34:11   (  -0.04,-136.98) (  -0.19,-137.48)   58.56                80
 01/28/2025   22:18:04   (  -0.04,-136.96) (   0.84,-132.94)  457.86                80
 01/30/2025   10:39:47   (   0.05,-136.93) (   0.33,-138.20)  144.11                80
 01/31/2025   10:18:20   (   0.05,-136.92) (  -0.70,-133.66)  371.94                80
 02/01/2025   22:40:11   (  -0.05,-136.90) (  -0.48,-138.94)  232.12                80
 02/02/2025   22:24:03   (  -0.05,-136.89) (   0.49,-134.39)  283.73                80
 02/04/2025   10:45:46   (   0.06,-136.85) (   0.66,-139.65)  319.02                80