Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 5 11.  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)
 05/11/2021   05:47:34   (  -0.02,-127.99) (   0.82,-124.40)  410.70                80
 05/12/2021   18:06:24   (   0.01,-128.09) (   0.22,-128.95)   98.97                80
 05/13/2021   17:48:24   (   0.01,-128.12) (  -0.89,-123.96)  473.60                80
 05/15/2021   06:07:26   (  -0.01,-128.12) (  -0.12,-128.56)   51.13                80
 05/17/2021   18:05:38   (  -0.00,-128.21) (  -0.02,-128.14)    8.66                80
 05/20/2021   06:01:19   (   0.00,-128.23) (   0.13,-127.75)   55.53                80
 05/21/2021   18:20:10   (  -0.01,-128.29) (   0.90,-132.30)  458.01                80
 05/22/2021   18:02:10   (  -0.01,-128.31) (  -0.22,-127.31)  113.51                80
 05/24/2021   06:21:12   (   0.01,-128.31) (  -0.79,-131.91)  410.54                80