Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2021   06:05:47   (  -0.15,-128.20) (  -0.24,-128.50)   35.78                80
 03/03/2021   18:01:20   (   0.15,-128.33) (   0.07,-128.09)   28.31                80
 03/06/2021   05:59:38   (  -0.14,-128.28) (  -0.03,-127.67)   68.67                80
 03/07/2021   18:21:11   (   0.15,-128.38) (   0.99,-132.24)  439.98                80
 03/08/2021   17:57:51   (   0.14,-128.39) (  -0.14,-127.25)  130.33                80
 03/10/2021   06:19:30   (  -0.15,-128.32) (  -0.94,-131.83)  400.15                80
 03/11/2021   05:56:10   (  -0.14,-128.33) (   0.19,-126.84)  169.99                80
 03/12/2021   18:15:01   (   0.15,-128.43) (   0.84,-131.40)  339.00                80
 03/13/2021   17:54:22   (   0.14,-128.44) (  -0.29,-126.41)  231.40                80