Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 6 20.  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)
 06/20/2021   18:02:04   (  -0.11,-128.41) (  -0.37,-127.35)  122.14                80
 06/22/2021   06:21:04   (   0.11,-128.39) (  -0.70,-131.93)  403.91                80
 06/23/2021   05:57:44   (   0.11,-128.37) (   0.43,-126.94)  163.09                80
 06/24/2021   18:16:36   (  -0.11,-128.35) (   0.58,-131.51)  359.46                80
 06/25/2021   17:58:36   (  -0.12,-128.33) (  -0.55,-126.52)  207.93                80
 06/27/2021   06:17:35   (   0.12,-128.31) (  -0.50,-131.11)  318.34                80
 06/28/2021   05:54:16   (   0.13,-128.29) (   0.63,-126.12)  248.19                80
 06/29/2021   18:13:07   (  -0.13,-128.25) (   0.39,-130.68)  275.51                80
 06/30/2021   17:55:07   (  -0.13,-128.24) (  -0.68,-125.67)  291.86                80
 07/02/2021   06:14:06   (   0.13,-128.22) (  -0.35,-130.27)  233.45                80
 07/03/2021   05:50:47   (   0.13,-128.20) (   0.78,-125.28)  333.00                80