Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 4 9.  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)  180.41                80
 04/12/2020   05:46:15   (  -0.27,-127.78) (   0.47,-124.33)  391.94                80
 04/13/2020   18:07:47   (   0.27,-127.87) (   0.53,-128.90)  117.80                80
 04/14/2020   17:44:29   (   0.26,-127.90) (  -0.63,-123.91)  454.65                80
 04/16/2020   06:06:09   (  -0.27,-127.91) (  -0.41,-128.51)   68.20                80
 04/18/2020   18:04:22   (   0.27,-128.03) (   0.30,-128.08)    6.83                80
 04/21/2020   06:00:03   (  -0.27,-128.06) (  -0.18,-127.69)   43.08                80
 04/22/2020   18:18:56   (   0.27,-128.14) (   1.17,-132.25)  468.13                80