Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2022 11 29.  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)
 11/30/2022   10:40:52   (   0.00,-136.91) (   0.34,-138.50)  180.70                80
 12/01/2022   10:14:59   (   0.00,-136.90) (  -0.88,-132.87)  458.30                80
 12/02/2022   22:32:44   (  -0.00,-136.86) (   0.07,-136.52)   39.46                80
 12/04/2022   10:47:40   (   0.01,-136.87) (   0.71,-140.13)  370.38                80
 12/05/2022   10:21:47   (   0.01,-136.86) (  -0.51,-134.50)  268.32                80
 12/06/2022   22:36:53   (  -0.01,-136.81) (  -0.33,-138.15)  152.31                80
 12/07/2022   22:16:21   (  -0.02,-136.80) (   0.92,-132.53)  485.99                80
 12/09/2022   10:28:34   (   0.02,-136.79) (  -0.12,-136.13)   76.12                80
 12/10/2022   22:43:42   (  -0.03,-136.74) (  -0.68,-139.78)  346.49                80
 12/11/2022   22:23:09   (  -0.03,-136.72) (   0.52,-134.16)  291.22                80
 12/13/2022   10:38:00   (   0.03,-136.71) (   0.29,-137.74)  118.37                80