Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 19.  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)
 08/21/2025   10:31:39   (  -0.03,-136.99) (  -0.03,-136.99)    1.03                80
 08/23/2025   22:34:50   (   0.04,-137.00) (  -0.15,-137.76)   86.67                80
 08/24/2025   22:18:45   (   0.04,-137.00) (   0.88,-133.23)  429.94                80
 08/26/2025   10:40:33   (  -0.04,-136.99) (   0.27,-138.50)  172.14                80
 08/27/2025   10:19:08   (  -0.04,-136.99) (  -0.70,-133.96)  344.08                80
 08/28/2025   22:41:03   (   0.04,-136.99) (  -0.50,-139.26)  259.61                80
 08/29/2025   22:24:59   (   0.04,-136.98) (   0.54,-134.74)  256.13                80
 08/31/2025   10:46:47   (  -0.05,-136.96) (   0.61,-140.01)  347.42                80
 09/01/2025   10:25:22   (  -0.05,-136.95) (  -0.36,-135.47)  167.70                80