Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 9 20.  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)
 09/20/2021   04:50:04   (   0.03,-137.20) (   0.94,-132.98)  479.92                80
 09/21/2021   17:06:16   (  -0.03,-137.21) (   0.03,-137.59)   43.21                80
 09/24/2021   05:07:15   (   0.03,-137.20) (   0.04,-137.25)    5.17                80
 09/26/2021   17:05:24   (  -0.02,-137.20) (  -0.11,-136.87)   38.01                80
 09/28/2021   05:21:44   (   0.02,-137.18) (  -0.91,-141.50)  491.76                80
 09/29/2021   05:03:43   (   0.02,-137.17) (   0.19,-136.52)   74.37                80
 09/30/2021   17:19:53   (  -0.02,-137.16) (   0.84,-141.12)  451.27                80
 10/01/2021   17:01:53   (  -0.02,-137.14) (  -0.26,-136.14)  114.49                80
 10/03/2021   05:20:51   (   0.02,-137.12) (  -0.81,-140.77)  416.30                80