Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 9 19.  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)
 09/20/2021   06:58:32   (   0.04,-137.19) (  -0.94,-141.45)  485.24                80
 09/21/2021   06:35:12   (   0.04,-137.19) (   0.21,-136.46)   83.74                80
 09/22/2021   18:54:01   (  -0.04,-137.19) (   0.81,-141.01)  436.00                80
 09/23/2021   18:36:01   (  -0.04,-137.18) (  -0.28,-136.01)  132.75                80
 09/25/2021   06:55:01   (   0.04,-137.17) (  -0.73,-140.61)  392.65                80
 09/26/2021   06:34:21   (   0.03,-137.16) (   0.37,-135.62)  175.58                80
 09/27/2021   18:50:30   (  -0.03,-137.14) (   0.66,-140.17)  345.55                80
 09/28/2021   18:32:30   (  -0.03,-137.13) (  -0.44,-135.17)  222.28                80
 09/30/2021   06:51:30   (   0.03,-137.10) (  -0.57,-139.77)  304.43                80
 10/01/2021   06:28:09   (   0.02,-137.08) (   0.53,-134.77)  262.93                80
 10/02/2021   18:46:59   (  -0.02,-137.05) (   0.50,-139.33)  259.48                80