Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 6.  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)
 01/07/2021   06:56:08   (  -0.01,-137.22) (  -0.75,-140.62)  387.58                80
 01/08/2021   06:32:48   (   0.01,-137.22) (   0.34,-135.62)  181.25                80
 01/09/2021   18:51:40   (  -0.02,-137.22) (   0.67,-140.18)  337.93                80
 01/10/2021   18:33:41   (  -0.01,-137.22) (  -0.48,-135.19)  230.85                80
 01/12/2021   06:50:02   (   0.01,-137.20) (  -0.56,-139.79)  295.01                80
 01/13/2021   06:32:03   (   0.01,-137.19) (   0.53,-134.79)  273.36                80
 01/14/2021   18:48:14   (  -0.00,-137.19) (   0.48,-139.35)  246.41                80
 01/15/2021   18:30:15   (  -0.00,-137.18) (  -0.61,-134.35)  321.89                80
 01/17/2021   06:46:36   (  -0.00,-137.16) (  -0.43,-138.95)  204.42                80
 01/18/2021   06:28:38   (  -0.01,-137.15) (   0.72,-133.96)  363.78                80
 01/19/2021   18:44:49   (   0.01,-137.14) (   0.29,-138.52)  156.50                80