Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 3 26.  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)
 03/27/2021   18:04:35   (   0.14,-128.41) (   0.22,-128.90)   55.01                80
 03/30/2021   06:05:33   (  -0.14,-128.30) (  -0.21,-128.48)   21.60                80
 04/01/2021   18:03:45   (   0.14,-128.35) (   0.09,-128.05)   33.67                80
 04/04/2021   05:59:23   (  -0.13,-128.22) (  -0.02,-127.64)   65.10                80
 04/05/2021   18:18:16   (   0.12,-128.27) (   0.97,-132.22)  449.15                80
 04/06/2021   18:00:15   (   0.12,-128.25) (  -0.11,-127.22)  118.17                80
 04/08/2021   06:19:14   (  -0.12,-128.14) (  -0.96,-131.80)  417.19                80