Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 5 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)
 05/20/2021   05:35:55   (  -0.05,-137.20) (  -0.85,-141.00)  432.52                80
 05/21/2021   05:12:35   (  -0.05,-137.19) (   0.20,-136.01)  134.17                80
 05/22/2021   17:31:27   (   0.04,-137.20) (   0.77,-140.63)  390.02                80
 05/23/2021   17:13:27   (   0.04,-137.19) (  -0.29,-135.64)  176.32                80
 05/25/2021   05:32:27   (  -0.04,-137.17) (  -0.74,-140.28)  354.10                80
 05/26/2021   05:09:08   (  -0.04,-137.16) (   0.38,-135.30)  211.56                80
 05/27/2021   17:27:59   (   0.03,-137.15) (   0.65,-139.90)  314.45                80
 05/28/2021   17:09:59   (   0.03,-137.13) (  -0.46,-134.93)  250.71                80
 05/30/2021   05:29:00   (  -0.02,-137.10) (  -0.55,-139.57)  281.09                80
 05/31/2021   05:05:39   (  -0.01,-137.08) (   0.51,-134.58)  283.89                80
 06/01/2021   17:24:32   (   0.01,-137.06) (   0.47,-139.19)  242.81                80
 06/02/2021   17:06:31   (   0.01,-137.04) (  -0.59,-134.21)  322.20                80