Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2021   06:48:49   (  -0.00,-137.20) (  -0.58,-139.79)  295.07                80
 07/18/2021   06:30:50   (  -0.01,-137.21) (   0.51,-134.79)  274.37                80
 07/19/2021   18:47:03   (   0.01,-137.21) (   0.46,-139.37)  245.15                80
 07/20/2021   18:29:04   (   0.02,-137.21) (  -0.63,-134.37)  323.74                80
 07/22/2021   06:45:24   (  -0.02,-137.19) (  -0.40,-138.96)  201.15                80
 07/23/2021   06:27:25   (  -0.02,-137.18) (   0.69,-133.96)  367.28                80
 07/24/2021   18:43:37   (   0.02,-137.18) (   0.34,-138.52)  153.43                80
 07/25/2021   18:25:38   (   0.02,-137.17) (  -0.81,-133.53)  414.71                80
 07/27/2021   06:44:39   (  -0.00,-137.15) (  -0.22,-138.13)  111.09                80
 07/28/2021   06:21:20   (   0.02,-137.14) (   0.94,-133.14)  456.62                80
 07/29/2021   18:40:13   (  -0.02,-137.13) (   0.10,-137.70)   64.52                80