Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2021   06:46:37   (  -0.05,-137.18) (  -0.43,-138.98)  203.97                80
 05/14/2021   06:28:38   (  -0.05,-137.17) (   0.69,-133.98)  364.13                80
 05/15/2021   18:44:48   (   0.04,-137.16) (   0.34,-138.54)  156.53                80
 05/16/2021   18:26:49   (   0.04,-137.15) (  -0.77,-133.54)  411.09                80
 05/18/2021   06:43:10   (  -0.03,-137.12) (  -0.24,-138.15)  116.50                80
 05/19/2021   06:25:11   (  -0.03,-137.11) (   0.88,-133.16)  450.80                80
 05/20/2021   18:41:21   (   0.02,-137.09) (   0.15,-137.71)   70.89                80
 05/21/2021   18:23:21   (   0.02,-137.07) (  -0.97,-132.72)  496.17                80
 05/23/2021   06:39:42   (  -0.02,-137.03) (  -0.10,-137.31)   32.29                80
 05/25/2021   18:40:32   (   0.02,-136.97) (   0.00,-136.87)   11.35                80