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,-128.42) (  -0.33,-127.34)  122.21                80
 06/22/2021   06:21:04   (   0.11,-128.39) (  -0.68,-131.94)  403.92                80
 06/23/2021   05:57:45   (   0.11,-128.37) (   0.45,-126.95)  163.12                80
 06/24/2021   18:16:35   (  -0.11,-128.35) (   0.61,-131.50)  359.30                80
 06/25/2021   17:58:35   (  -0.12,-128.34) (  -0.51,-126.51)  208.10                80
 06/27/2021   06:17:36   (   0.12,-128.31) (  -0.48,-131.11)  318.22                80
 06/28/2021   05:54:15   (   0.13,-128.29) (   0.60,-126.11)  248.35                80
 06/29/2021   18:13:07   (  -0.13,-128.26) (   0.42,-130.67)  275.18                80
 06/30/2021   17:55:07   (  -0.13,-128.24) (  -0.71,-125.68)  292.20                80
 07/02/2021   06:14:06   (   0.13,-128.22) (  -0.32,-130.27)  233.13                80
 07/03/2021   05:50:47   (   0.13,-128.20) (   0.81,-125.28)  333.34                80