Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 3 13.  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)  112.84                80
 03/14/2021   05:47:33   (  -0.15,-128.35) (   0.72,-124.34)  456.95                80
 03/15/2021   18:06:26   (   0.15,-128.45) (   0.25,-128.91)   52.36                80
 03/18/2021   06:07:26   (  -0.15,-128.37) (  -0.16,-128.51)   15.21                80
 03/20/2021   18:05:39   (   0.15,-128.46) (   0.08,-128.08)   43.34                80
 03/22/2021   06:24:38   (  -0.14,-128.37) (  -1.10,-132.67)  489.78                80
 03/23/2021   06:01:19   (  -0.14,-128.36) (   0.01,-127.67)   78.58                80
 03/24/2021   18:20:11   (   0.14,-128.44) (   1.01,-132.24)  433.48                80
 03/25/2021   18:02:12   (   0.14,-128.43) (  -0.10,-127.24)  134.98                80