Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 3 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2021   06:10:52   (  -0.15,-128.35) (  -0.39,-129.33)  112.87                80
 03/14/2021   05:47:34   (  -0.15,-128.35) (   0.78,-124.35)  456.98                80
 03/15/2021   18:07:56   (   0.15,-128.45) (   0.25,-128.91)   52.20                10
 03/18/2021   06:07:26   (  -0.15,-128.37) (  -0.17,-128.51)   14.88                80
 03/20/2021   18:05:39   (   0.15,-128.46) (   0.08,-128.07)   43.77                80
 03/22/2021   06:24:38   (  -0.14,-128.37) (  -1.10,-132.67)  489.34                80
 03/23/2021   06:01:19   (  -0.14,-128.37) (   0.01,-127.67)   79.06                80
 03/24/2021   18:20:12   (   0.14,-128.44) (   0.96,-132.25)  432.87                80
 03/25/2021   18:02:12   (   0.14,-128.44) (  -0.16,-127.25)  135.64                80