Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 1 3.  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)
 01/03/2021   06:36:14   (   0.01,-137.21) (   0.20,-136.46)   85.30                80
 01/04/2021   18:57:44   (   0.01,-137.21) (   0.88,-141.01)  433.59                80
 01/05/2021   18:34:26   (   0.00,-137.20) (  -0.27,-136.02)  134.74                80
 01/07/2021   06:56:07   (  -0.00,-137.18) (  -0.77,-140.62)  392.01                80
 01/08/2021   06:32:49   (   0.01,-137.17) (   0.38,-135.63)  175.63                80
 01/09/2021   18:51:40   (  -0.02,-137.16) (   0.64,-140.19)  345.15                80
 01/10/2021   18:33:41   (  -0.02,-137.14) (  -0.46,-135.19)  222.35                80
 01/12/2021   06:50:02   (   0.01,-137.10) (  -0.59,-139.78)  305.67                80
 01/13/2021   06:32:02   (   0.01,-137.08) (   0.51,-134.79)  261.45                80
 01/14/2021   18:48:14   (  -0.00,-137.06) (   0.50,-139.34)  259.95                80
 01/15/2021   18:30:14   (  -0.00,-137.04) (  -0.59,-134.34)  307.10                80