Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 24.  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)
 08/24/2025   22:18:45   (   0.03,-136.99) (   0.89,-133.23)  428.68                80
 08/26/2025   10:37:53   (  -0.03,-136.98) (   0.32,-138.49)  172.37                80
 08/27/2025   10:21:48   (  -0.03,-136.99) (  -0.71,-133.97)  344.24                80
 08/28/2025   22:41:03   (   0.04,-136.99) (  -0.49,-139.26)  259.35                80
 08/29/2025   22:24:59   (   0.04,-136.99) (   0.55,-134.74)  256.80                80
 08/31/2025   10:44:07   (  -0.04,-136.97) (   0.61,-140.01)  345.74                80
 09/01/2025   10:28:02   (  -0.05,-136.96) (  -0.37,-135.47)  169.80                80
 09/02/2025   22:47:17   (   0.05,-136.95) (  -0.82,-140.77)  435.44                80
 09/03/2025   22:31:13   (   0.05,-136.94) (   0.22,-136.24)   79.76                80
 09/06/2025   10:31:35   (  -0.06,-136.90) (  -0.05,-136.98)    9.02                80