Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 2 20.  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)
 02/21/2025   10:25:01   (   0.02,-136.99) (  -0.37,-135.31)  191.79                80
 02/22/2025   22:46:58   (  -0.02,-136.99) (  -0.84,-140.62)  413.06                80
 02/23/2025   22:30:54   (  -0.02,-136.99) (   0.16,-136.09)  102.23                80
 02/26/2025   10:31:17   (   0.03,-136.95) (  -0.00,-136.83)   13.48                80
 02/28/2025   22:34:30   (  -0.03,-136.93) (  -0.19,-137.61)   77.82                80
 03/01/2025   22:18:26   (  -0.03,-136.91) (   0.82,-133.08)  436.76                80
 03/03/2025   10:40:13   (   0.03,-136.88) (   0.37,-138.35)  167.90                80
 03/04/2025   10:18:49   (   0.03,-136.86) (  -0.64,-133.82)  346.21                80
 03/05/2025   22:40:46   (  -0.04,-136.83) (  -0.54,-139.13)  261.26                80