Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 9 21.  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)
 09/21/2020   05:46:50   (  -0.04,-128.34) (   0.85,-124.35)  454.70                80
 09/22/2020   18:08:20   (   0.06,-128.32) (   0.21,-128.89)   66.48                80
 09/25/2020   06:06:41   (  -0.07,-128.40) (  -0.08,-128.50)   12.07                80
 09/27/2020   18:02:10   (   0.07,-128.38) (  -0.01,-128.06)   36.36                80
 09/29/2020   06:23:51   (  -0.08,-128.45) (  -1.00,-132.66)  479.87                80
 09/30/2020   06:00:30   (  -0.07,-128.46) (   0.09,-127.66)   90.40                80
 10/01/2020   18:22:01   (   0.09,-128.42) (   0.92,-132.22)  432.14                80
 10/02/2020   17:58:40   (   0.08,-128.43) (  -0.17,-127.22)  138.07                80
 10/04/2020   06:20:20   (  -0.09,-128.50) (  -0.82,-131.82)  378.52                80