Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 6.  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)
 09/06/2021   17:47:34   (  -0.23,-128.20) (  -1.18,-123.99)  479.16                80
 09/08/2021   06:03:55   (   0.26,-128.22) (   0.18,-128.60)   42.62                80
 09/10/2021   18:04:44   (  -0.28,-128.15) (  -0.28,-128.16)    1.23                80
 09/13/2021   06:03:04   (   0.28,-128.15) (   0.37,-127.76)   44.56                80
 09/14/2021   18:19:15   (  -0.31,-128.07) (   0.61,-132.33)  483.81                80
 09/15/2021   18:01:13   (  -0.29,-128.05) (  -0.43,-127.31)   83.78                80
 09/17/2021   06:17:34   (   0.31,-128.07) (  -0.52,-131.93)  439.24                80
 09/18/2021   05:59:34   (   0.30,-128.05) (   0.57,-126.93)  128.04                80
 09/19/2021   18:15:43   (  -0.32,-127.96) (   0.46,-131.48)  400.81                80