Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 16.  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)
 05/17/2025   10:33:40   (  -0.01,-136.99) (  -0.06,-136.83)   19.63                80
 05/19/2025   22:34:12   (  -0.01,-136.98) (  -0.17,-137.59)   70.16                80
 05/20/2025   22:18:09   (  -0.02,-136.98) (   0.86,-133.07)  445.18                80
 05/22/2025   10:37:18   (   0.01,-136.96) (   0.34,-138.34)  158.34                80
 05/23/2025   10:21:15   (   0.02,-136.95) (  -0.68,-133.82)  356.49                80
 05/24/2025   22:40:32   (  -0.00,-136.93) (  -0.51,-139.13)  250.40                80
 05/25/2025   22:24:29   (  -0.00,-136.92) (   0.52,-134.60)  263.80                80
 05/27/2025   10:43:38   (  -0.01,-136.88) (   0.67,-139.88)  341.38                80
 05/28/2025   10:27:34   (  -0.00,-136.86) (  -0.36,-135.35)  172.40                80
 05/29/2025   22:46:52   (   0.01,-136.83) (  -0.83,-140.66)  435.90                80