Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 3 25.  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)
 03/25/2021   06:09:02   (  -0.14,-128.34) (  -0.39,-129.32)  112.08                80
 03/26/2021   05:45:43   (  -0.14,-128.33) (   0.75,-124.33)  456.26                80
 03/27/2021   18:04:34   (   0.14,-128.41) (   0.27,-128.89)   55.26                80
 03/30/2021   06:05:33   (  -0.14,-128.30) (  -0.20,-128.48)   21.68                80
 04/01/2021   18:03:45   (   0.14,-128.35) (   0.08,-128.05)   33.10                80
 04/04/2021   05:59:24   (  -0.13,-128.21) (  -0.01,-127.65)   64.61                80
 04/05/2021   18:18:15   (   0.12,-128.26) (   1.03,-132.21)  449.87                80
 04/06/2021   18:00:15   (   0.12,-128.25) (  -0.11,-127.22)  117.40                80