Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 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)
 06/20/2021   17:31:18   (   0.04,-137.19) (   0.97,-141.30)  467.82                80
 06/21/2021   17:13:18   (   0.04,-137.19) (  -0.15,-136.32)   98.63                80
 06/23/2021   05:29:39   (  -0.04,-137.17) (  -0.85,-140.97)  431.77                80
 06/24/2021   05:11:38   (  -0.04,-137.16) (   0.22,-135.98)  134.02                80
 06/25/2021   17:27:50   (   0.03,-137.15) (   0.81,-140.58)  391.65                80
 06/26/2021   17:09:50   (   0.03,-137.13) (  -0.32,-135.61)  173.87                80
 06/28/2021   05:28:49   (  -0.03,-137.11) (  -0.73,-140.24)  357.39                80
 06/29/2021   05:05:30   (  -0.02,-137.09) (   0.39,-135.27)  208.08                80
 06/30/2021   17:24:21   (   0.02,-137.08) (   0.64,-139.87)  317.86                80
 07/01/2021   17:06:21   (   0.02,-137.06) (  -0.43,-134.88)  247.53                80
 07/03/2021   05:25:21   (  -0.02,-137.03) (  -0.56,-139.53)  284.05                80