Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 25.  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)
 06/25/2021   17:27:50   (   0.04,-137.20) (   0.77,-140.59)  384.90                80
 06/26/2021   17:09:50   (   0.04,-137.20) (  -0.30,-135.60)  181.87                80
 06/28/2021   05:28:50   (  -0.03,-137.19) (  -0.69,-140.25)  348.09                80
 06/29/2021   05:05:29   (  -0.03,-137.18) (   0.37,-135.26)  218.58                80
 06/30/2021   17:24:22   (   0.03,-137.19) (   0.59,-139.88)  305.08                80
 07/01/2021   17:06:21   (   0.03,-137.19) (  -0.48,-134.89)  261.57                80
 07/03/2021   05:25:22   (  -0.03,-137.17) (  -0.51,-139.53)  268.69                80
 07/04/2021   05:02:01   (  -0.03,-137.16) (   0.56,-134.55)  297.57                80
 07/05/2021   17:20:52   (   0.02,-137.16) (   0.46,-139.15)  227.09                80
 07/06/2021   17:02:52   (   0.02,-137.15) (  -0.61,-134.17)  338.68                80
 07/08/2021   05:21:52   (  -0.01,-137.12) (  -0.38,-138.81)  193.01                80