Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 18.  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)
 06/19/2021   05:15:07   (  -0.04,-137.19) (   0.08,-136.70)   56.10                80
 06/20/2021   17:31:18   (   0.04,-137.19) (   0.95,-141.30)  468.56                80
 06/21/2021   17:13:19   (   0.04,-137.18) (  -0.18,-136.33)   97.62                80
 06/23/2021   05:29:38   (  -0.03,-137.16) (  -0.88,-140.96)  433.10                80
 06/24/2021   05:11:39   (  -0.03,-137.14) (   0.25,-135.99)  132.38                80
 06/25/2021   17:27:50   (   0.03,-137.13) (   0.78,-140.59)  393.99                80
 06/26/2021   17:09:49   (   0.02,-137.11) (  -0.29,-135.60)  171.20                80
 06/28/2021   05:28:50   (  -0.02,-137.08) (  -0.71,-140.25)  360.31                80
 06/29/2021   05:05:29   (  -0.02,-137.06) (   0.36,-135.26)  204.82                80
 06/30/2021   17:24:22   (   0.02,-137.04) (   0.61,-139.87)  321.82                80
 07/01/2021   17:06:21   (   0.02,-137.02) (  -0.46,-134.89)  243.27                80