Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2021   18:19:11   (  -0.35,-128.10) (   0.59,-132.32)  481.20                80
 10/14/2021   18:01:13   (  -0.34,-128.13) (  -0.54,-127.33)   90.87                80
 10/16/2021   06:17:34   (   0.35,-128.17) (  -0.52,-131.92)  428.32                80
 10/17/2021   05:59:36   (   0.34,-128.20) (   0.62,-126.93)  143.61                80
 10/18/2021   18:15:48   (  -0.35,-128.23) (   0.39,-131.49)  372.71                80
 10/19/2021   17:57:50   (  -0.34,-128.25) (  -0.74,-126.50)  199.21                80
 10/21/2021   06:16:51   (   0.35,-128.30) (  -0.30,-131.10)  319.91                80
 10/22/2021   05:56:12   (   0.34,-128.32) (   0.84,-126.11)  251.61                80
 10/23/2021   18:12:25   (  -0.34,-128.34) (   0.19,-130.67)  265.77                80
 10/24/2021   17:54:26   (  -0.34,-128.36) (  -0.95,-125.68)  305.44                80
 10/26/2021   06:13:28   (   0.34,-128.39) (  -0.07,-130.28)  214.46                80