Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 10.  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)
 04/11/2020   06:09:34   (  -0.28,-127.74) (  -0.62,-129.33)  180.57                80
 04/12/2020   05:46:15   (  -0.27,-127.77) (   0.48,-124.33)  391.74                80
 04/13/2020   18:07:47   (   0.27,-127.87) (   0.52,-128.90)  117.88                80
 04/14/2020   17:44:29   (   0.26,-127.90) (  -0.64,-123.91)  454.50                80
 04/16/2020   06:06:09   (  -0.27,-127.90) (  -0.40,-128.51)   68.62                80
 04/18/2020   18:04:22   (   0.27,-128.02) (   0.29,-128.08)    6.84                80
 04/21/2020   06:00:04   (  -0.27,-128.06) (  -0.17,-127.69)   42.40                80
 04/22/2020   18:18:56   (   0.27,-128.14) (   1.16,-132.26)  468.69                80
 04/23/2020   18:00:56   (   0.27,-128.16) (   0.06,-127.26)  103.24                80