Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 10.  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)
 10/12/2021   06:02:59   (   0.34,-128.07) (   0.42,-127.76)   34.94                80
 10/13/2021   18:19:12   (  -0.35,-128.10) (   0.58,-132.33)  481.16                80
 10/14/2021   18:01:12   (  -0.34,-128.13) (  -0.49,-127.32)   90.98                80
 10/16/2021   06:17:35   (   0.35,-128.17) (  -0.50,-131.93)  428.04                80
 10/17/2021   05:59:36   (   0.34,-128.20) (   0.63,-126.94)  143.94                80
 10/18/2021   18:15:48   (  -0.35,-128.23) (   0.38,-131.50)  372.41                80
 10/19/2021   17:57:50   (  -0.34,-128.26) (  -0.75,-126.51)  199.57                80
 10/21/2021   06:16:51   (   0.35,-128.30) (  -0.28,-131.10)  319.37                80
 10/22/2021   05:56:13   (   0.34,-128.32) (   0.86,-126.11)  252.22                80
 10/23/2021   18:12:25   (  -0.35,-128.34) (   0.17,-130.67)  265.18                80