Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 31.  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)
 04/01/2025   22:36:56   (  -0.00,-137.00) (  -0.12,-137.59)   66.89                80
 04/02/2025   22:15:30   (  -0.00,-137.00) (   0.86,-133.05)  449.78                80
 04/04/2025   10:39:56   (   0.01,-136.99) (   0.28,-138.32)  150.62                80
 04/05/2025   10:18:29   (   0.01,-136.99) (  -0.69,-133.78)  365.86                80
 04/06/2025   22:43:04   (  -0.02,-136.98) (  -0.50,-139.07)  238.50                80
 04/07/2025   22:21:38   (  -0.02,-136.98) (   0.55,-134.54)  277.92                80
 04/09/2025   10:46:03   (   0.02,-136.97) (   0.65,-139.80)  322.86                80
 04/10/2025   10:24:37   (   0.02,-136.96) (  -0.34,-135.26)  193.42                80
 04/11/2025   22:49:11   (  -0.02,-136.95) (  -0.83,-140.56)  411.24                80
 04/12/2025   22:27:45   (  -0.02,-136.94) (   0.17,-136.02)  104.78                80
 04/14/2025   10:49:30   (   0.03,-136.92) (   1.02,-141.27)  496.93                80