Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2021   18:39:32   (  -0.04,-137.20) (  -0.11,-136.85)   39.20                80
 09/20/2021   06:58:32   (   0.04,-137.19) (  -0.90,-141.45)  485.47                80
 09/21/2021   06:35:12   (   0.04,-137.19) (   0.19,-136.45)   83.39                80
 09/22/2021   18:54:01   (  -0.04,-137.18) (   0.84,-141.01)  436.53                80
 09/23/2021   18:36:02   (  -0.03,-137.17) (  -0.32,-136.02)  132.15                80
 09/25/2021   06:55:01   (   0.03,-137.16) (  -0.75,-140.61)  393.34                80
 09/26/2021   06:31:40   (   0.03,-137.15) (   0.35,-135.61)  174.83                80
 09/27/2021   18:50:31   (  -0.03,-137.13) (   0.62,-140.18)  346.53                80
 09/28/2021   18:32:30   (  -0.03,-137.12) (  -0.48,-135.18)  221.22                80
 09/30/2021   06:51:30   (   0.02,-137.09) (  -0.59,-139.77)  305.55                80
 10/01/2021   06:28:09   (   0.02,-137.07) (   0.51,-134.77)  261.73                80