Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 7.  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)
 04/07/2021   18:31:05   (   0.04,-137.22) (  -0.39,-135.18)  231.66                80
 04/09/2021   06:52:45   (  -0.04,-137.20) (  -0.61,-139.78)  294.01                80
 04/10/2021   06:29:26   (  -0.04,-137.20) (   0.49,-134.79)  274.66                80
 04/11/2021   18:50:58   (   0.04,-137.21) (   0.52,-139.35)  244.54                80
 04/12/2021   18:27:39   (   0.04,-137.20) (  -0.59,-134.36)  323.85                80
 04/14/2021   06:49:19   (  -0.04,-137.17) (  -0.43,-138.95)  202.82                80
 04/15/2021   06:26:00   (  -0.04,-137.16) (   0.68,-133.96)  365.05                80
 04/16/2021   18:44:52   (   0.03,-137.16) (   0.32,-138.53)  155.51                80
 04/17/2021   18:26:52   (   0.03,-137.14) (  -0.78,-133.53)  411.84                80
 04/19/2021   06:43:13   (  -0.03,-137.10) (  -0.24,-138.13)  116.55                80
 04/20/2021   06:25:13   (  -0.02,-137.08) (   0.87,-133.13)  450.33                80