Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 23.  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)
 05/23/2021   18:28:39   (   0.05,-137.19) (  -0.59,-134.36)  323.37                80
 05/25/2021   06:45:01   (  -0.04,-137.17) (  -0.46,-138.95)  202.99                80
 05/26/2021   06:27:02   (  -0.04,-137.16) (   0.67,-133.96)  364.90                80
 05/27/2021   18:43:15   (   0.03,-137.15) (   0.34,-138.52)  155.95                80
 05/28/2021   18:25:16   (   0.03,-137.14) (  -0.80,-133.53)  411.44                80
 05/30/2021   06:44:17   (  -0.02,-137.10) (  -0.25,-138.13)  116.27                80
 05/31/2021   06:20:59   (  -0.02,-137.09) (   0.89,-133.14)  450.90                80
 06/01/2021   18:39:50   (   0.02,-137.07) (   0.18,-137.69)   70.67                80
 06/02/2021   18:21:52   (   0.02,-137.05) (  -0.96,-132.70)  496.57                80
 06/04/2021   06:40:53   (  -0.01,-137.02) (  -0.08,-137.29)   31.20                80