Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 8.  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)
 03/09/2025   10:25:04   (   0.01,-136.98) (  -0.35,-135.34)  186.42                80
 03/10/2025   22:47:01   (  -0.01,-136.96) (  -0.81,-140.65)  419.92                80
 03/11/2025   22:30:55   (  -0.00,-136.96) (   0.16,-136.11)   95.51                80
 03/14/2025   10:31:18   (   0.00,-136.93) (  -0.04,-136.86)    9.37                80
 03/16/2025   22:34:29   (  -0.00,-136.90) (  -0.18,-137.62)   82.80                80
 03/17/2025   22:18:25   (  -0.00,-136.89) (   0.86,-133.10)  432.05                80
 03/19/2025   10:40:11   (   0.00,-136.86) (   0.35,-138.36)  171.16                80
 03/20/2025   10:18:46   (  -0.00,-136.84) (  -0.70,-133.83)  343.10                80
 03/21/2025   22:40:42   (  -0.00,-136.80) (  -0.54,-139.13)  265.30                80