Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 19.  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)
 02/19/2021   18:52:49   (   0.03,-137.20) (   0.69,-140.19)  340.34                80
 02/20/2021   18:29:30   (   0.02,-137.19) (  -0.43,-135.20)  227.75                80
 02/22/2021   06:51:09   (  -0.03,-137.16) (  -0.62,-139.78)  298.94                80
 02/23/2021   06:27:50   (  -0.02,-137.15) (   0.50,-134.79)  268.68                80
 02/24/2021   18:46:41   (   0.03,-137.13) (   0.51,-139.35)  252.53                80
 02/25/2021   18:28:42   (   0.02,-137.12) (  -0.62,-134.36)  314.72                80
 02/27/2021   06:45:01   (  -0.02,-137.08) (  -0.43,-138.95)  213.20                80
 02/28/2021   06:27:01   (  -0.02,-137.06) (   0.70,-133.96)  353.78                80
 03/01/2021   18:43:13   (   0.02,-137.03) (   0.32,-138.52)  168.61                80
 03/02/2021   18:25:12   (   0.02,-137.01) (  -0.75,-133.51)  398.07                80
 03/04/2021   06:41:31   (  -0.02,-136.96) (  -0.29,-138.10)  130.81                80