Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 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)
 01/25/2025   10:31:08   (   0.01,-136.99) (  -0.02,-136.75)   27.77                80
 01/27/2025   22:34:13   (  -0.00,-136.99) (  -0.10,-137.50)   58.54                80
 01/28/2025   22:18:05   (   0.00,-136.97) (   0.93,-132.96)  457.93                80
 01/30/2025   10:39:48   (  -0.01,-136.94) (   0.30,-138.20)  144.16                80
 01/31/2025   10:18:20   (  -0.01,-136.93) (  -0.73,-133.67)  372.14                80
 02/01/2025   22:40:12   (   0.01,-136.92) (  -0.45,-138.95)  231.44                80
 02/02/2025   22:24:04   (   0.01,-136.91) (   0.58,-134.41)  284.62                80
 02/04/2025   10:45:46   (  -0.01,-136.87) (   0.62,-139.66)  318.21                80
 02/05/2025   10:26:59   (  -0.01,-136.85) (  -0.42,-135.12)  197.28                80
 02/06/2025   22:46:09   (   0.02,-136.82) (  -0.81,-140.40)  407.96                80