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) (   0.37,-138.49)  180.78                80
 12/01/2022   10:14:59   (   0.00,-136.90) (  -0.90,-132.88)  458.19                80
 12/02/2022   22:32:44   (  -0.00,-136.86) (   0.09,-136.52)   39.33                80
 12/04/2022   10:47:40   (   0.01,-136.87) (   0.76,-140.12)  370.60                80
 12/05/2022   10:21:47   (   0.01,-136.86) (  -0.52,-134.51)  268.08                80
 12/06/2022   22:36:53   (  -0.01,-136.81) (  -0.33,-138.15)  152.63                80
 12/07/2022   22:16:21   (  -0.02,-136.80) (   0.92,-132.53)  485.62                80
 12/09/2022   10:28:34   (   0.02,-136.79) (  -0.11,-136.13)   75.69                80
 12/10/2022   22:43:43   (  -0.03,-136.74) (  -0.71,-139.78)  347.04                80
 12/11/2022   22:23:10   (  -0.03,-136.72) (   0.55,-134.17)  290.58                80