Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 21.  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)
 02/22/2021   17:47:36   (   0.12,-128.13) (  -0.62,-124.75)  384.68                80
 02/24/2021   06:09:15   (  -0.13,-128.09) (  -0.44,-129.34)  143.25                80
 02/25/2021   05:45:56   (  -0.12,-128.11) (   0.69,-124.35)  428.05                80
 02/26/2021   18:07:28   (   0.14,-128.22) (   0.26,-128.92)   79.47                80
 02/27/2021   17:44:08   (   0.13,-128.24) (  -0.86,-123.93)  491.76                80
 03/01/2021   06:05:47   (  -0.14,-128.19) (  -0.24,-128.50)   36.86                80
 03/03/2021   18:01:20   (   0.14,-128.30) (   0.07,-128.08)   25.59                80
 03/06/2021   05:59:38   (  -0.14,-128.26) (  -0.03,-127.67)   66.25                80