Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 26.  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)
 04/26/2021   18:40:37   (   0.05,-137.20) (  -0.01,-136.86)   38.79                80
 04/28/2021   06:59:38   (  -0.05,-137.18) (  -1.03,-141.45)  487.81                80
 04/29/2021   06:36:19   (  -0.04,-137.17) (   0.14,-136.47)   80.17                80
 04/30/2021   18:55:11   (   0.04,-137.16) (   0.87,-141.03)  440.31                80
 05/01/2021   18:37:11   (   0.04,-137.15) (  -0.24,-136.04)  127.26                80
 05/03/2021   06:56:11   (  -0.03,-137.11) (  -0.81,-140.63)  400.74                80
 05/04/2021   06:32:52   (  -0.03,-137.10) (   0.30,-135.64)  166.59                80
 05/05/2021   18:51:43   (   0.02,-137.09) (   0.69,-140.20)  354.32                80
 05/06/2021   18:33:44   (   0.02,-137.07) (  -0.42,-135.21)  213.10                80
 05/08/2021   06:52:44   (  -0.02,-137.04) (  -0.63,-139.80)  315.10                80
 05/09/2021   06:29:25   (  -0.02,-137.02) (   0.48,-134.81)  252.01                80