Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 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)
 08/05/2021   06:55:47   (   0.00,-137.19) (  -0.95,-141.45)  485.27                80
 08/06/2021   06:37:47   (  -0.00,-137.18) (   0.15,-136.45)   82.99                80
 08/07/2021   18:54:00   (  -0.00,-137.18) (   0.87,-141.01)  437.52                80
 08/08/2021   18:36:01   (  -0.01,-137.16) (  -0.29,-136.03)  130.21                80
 08/10/2021   06:52:21   (   0.03,-137.13) (  -0.74,-140.62)  397.10                80
 08/11/2021   06:34:22   (   0.03,-137.12) (   0.36,-135.62)  170.46                80
 08/12/2021   18:50:34   (  -0.03,-137.10) (   0.65,-140.18)  350.77                80
 08/13/2021   18:32:35   (  -0.02,-137.08) (  -0.45,-135.19)  216.47                80
 08/15/2021   06:48:55   (   0.02,-137.04) (  -0.58,-139.78)  311.70                80
 08/16/2021   06:30:56   (   0.02,-137.02) (   0.52,-134.78)  254.93                80
 08/17/2021   18:47:08   (  -0.01,-136.99) (   0.48,-139.34)  267.79                80
 08/18/2021   18:29:08   (  -0.00,-136.96) (  -0.62,-134.35)  298.57                80