Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 1 26.  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)
 01/27/2025   22:34:13   (   0.01,-136.98) (  -0.11,-137.50)   59.09                80
 01/28/2025   22:18:05   (   0.01,-136.97) (   0.91,-132.96)  457.18                80
 01/30/2025   10:37:09   (  -0.02,-136.94) (   0.26,-138.21)  145.27                80
 01/31/2025   10:21:01   (  -0.02,-136.92) (  -0.77,-133.67)  370.87                80
 02/01/2025   22:40:12   (   0.02,-136.91) (  -0.42,-138.96)  232.87                80
 02/02/2025   22:24:04   (   0.02,-136.90) (   0.55,-134.41)  283.07                80
 02/04/2025   10:43:07   (  -0.02,-136.85) (   0.60,-139.66)  320.14                80
 02/05/2025   10:26:59   (  -0.02,-136.83) (  -0.38,-135.11)  195.24                80
 02/06/2025   22:46:10   (   0.03,-136.81) (  -0.80,-140.40)  410.12                80
 02/07/2025   22:30:03   (   0.03,-136.78) (   0.24,-135.86)  104.77                80