Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 8.  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)
 01/08/2021   06:32:48   (   0.00,-137.22) (   0.34,-135.62)  181.72                80
 01/09/2021   18:54:19   (  -0.01,-137.23) (   0.68,-140.18)  337.13                80
 01/10/2021   18:33:41   (  -0.02,-137.22) (  -0.48,-135.19)  231.40                80
 01/12/2021   06:50:02   (   0.02,-137.21) (  -0.57,-139.79)  294.34                80
 01/13/2021   06:32:03   (   0.01,-137.20) (   0.52,-134.79)  274.24                80
 01/14/2021   18:48:14   (  -0.01,-137.20) (   0.49,-139.35)  245.21                80
 01/15/2021   18:30:15   (  -0.00,-137.19) (  -0.61,-134.35)  323.28                80
 01/17/2021   06:46:37   (  -0.00,-137.17) (  -0.38,-138.96)  202.84                80
 01/18/2021   06:28:37   (  -0.01,-137.16) (   0.72,-133.96)  365.51                80
 01/19/2021   18:44:49   (   0.01,-137.16) (   0.29,-138.52)  154.49                80
 01/20/2021   18:26:49   (   0.01,-137.15) (  -0.80,-133.52)  413.42                80