Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2021   17:34:11   (   0.04,-137.21) (   0.61,-139.94)  310.28                80
 04/24/2021   17:10:50   (   0.04,-137.21) (  -0.43,-134.95)  256.46                80
 04/26/2021   05:32:32   (  -0.04,-137.19) (  -0.56,-139.59)  273.50                80
 04/27/2021   05:09:12   (  -0.04,-137.18) (   0.54,-134.62)  292.71                80
 04/28/2021   17:28:04   (   0.03,-137.18) (   0.48,-139.22)  231.99                80
 04/29/2021   17:10:04   (   0.03,-137.17) (  -0.62,-134.24)  333.64                80
 05/01/2021   05:29:04   (  -0.03,-137.14) (  -0.42,-138.88)  197.98                80
 05/02/2021   05:05:45   (  -0.02,-137.13) (   0.68,-133.90)  367.21                80
 05/03/2021   17:24:36   (   0.02,-137.11) (   0.34,-138.50)  158.77                80
 05/04/2021   17:06:37   (   0.02,-137.09) (  -0.76,-133.52)  406.38                80