Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 28.  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)
 01/28/2024   10:38:26   (  -0.01,-137.00) (   0.28,-138.35)  154.42                80
 01/29/2024   10:17:01   (  -0.01,-136.99) (  -0.75,-133.82)  362.17                80
 01/30/2024   22:38:55   (   0.01,-136.97) (  -0.46,-139.11)  243.66                80
 01/31/2024   22:22:50   (   0.01,-136.96) (   0.57,-134.58)  272.66                80
 02/02/2024   10:41:55   (  -0.02,-136.96) (   0.64,-139.83)  326.95                80
 02/03/2024   10:25:49   (  -0.02,-136.95) (  -0.39,-135.30)  188.79                80
 02/04/2024   22:45:04   (   0.02,-136.91) (  -0.81,-140.59)  418.73                80
 02/05/2024   22:28:58   (   0.02,-136.90) (   0.23,-136.06)   96.40                80
 02/08/2024   10:29:17   (  -0.03,-136.86) (  -0.02,-136.76)   10.07                80
 02/10/2024   22:32:26   (   0.04,-136.78) (  -0.12,-137.53)   84.83                80