Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 12 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/05/2021   06:31:43   (   0.04,-137.19) (   0.38,-135.61)  180.40                80
 12/06/2021   18:53:15   (  -0.04,-137.19) (   0.61,-140.18)  339.95                80
 12/07/2021   18:29:55   (  -0.04,-137.18) (  -0.46,-135.17)  228.53                80
 12/09/2021   06:51:35   (   0.03,-137.17) (  -0.53,-139.77)  296.48                80
 12/10/2021   06:28:15   (   0.03,-137.16) (   0.53,-134.77)  271.90                80
 12/11/2021   18:49:47   (  -0.03,-137.15) (   0.44,-139.34)  248.81                80
 12/12/2021   18:26:28   (  -0.03,-137.14) (  -0.68,-134.35)  319.48                80
 12/14/2021   06:48:07   (   0.02,-137.12) (  -0.36,-138.93)  205.96                80
 12/15/2021   06:24:47   (   0.02,-137.11) (   0.76,-133.94)  361.97                80
 12/16/2021   18:43:39   (  -0.02,-137.09) (   0.27,-138.50)  159.74                80
 12/17/2021   18:25:38   (  -0.02,-137.08) (  -0.80,-133.50)  407.83                80