Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 4 19.  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)
 04/19/2021   17:14:17   (   0.03,-137.20) (  -0.28,-135.66)  174.54                80
 04/21/2021   05:35:59   (  -0.03,-137.19) (  -0.71,-140.31)  354.57                80
 04/22/2021   05:12:39   (  -0.03,-137.19) (   0.39,-135.33)  212.09                80
 04/23/2021   17:31:30   (   0.03,-137.19) (   0.64,-139.93)  311.89                80
 04/24/2021   17:13:31   (   0.03,-137.19) (  -0.46,-134.95)  254.57                80
 04/26/2021   05:32:32   (  -0.03,-137.18) (  -0.53,-139.60)  275.46                80
 04/27/2021   05:09:12   (  -0.03,-137.17) (   0.51,-134.61)  290.51                80
 04/28/2021   17:28:04   (   0.03,-137.16) (   0.46,-139.22)  234.96                80
 04/29/2021   17:10:04   (   0.02,-137.14) (  -0.58,-134.23)  330.44                80
 05/01/2021   05:29:05   (  -0.02,-137.11) (  -0.40,-138.88)  201.23                80
 05/02/2021   05:05:45   (  -0.02,-137.10) (   0.70,-133.91)  363.69                80