Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 10 21.  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)
 10/21/2021   18:54:10   (  -0.05,-137.20) (   0.79,-141.02)  434.55                80
 10/22/2021   18:36:10   (  -0.05,-137.21) (  -0.29,-136.02)  135.27                80
 10/24/2021   06:55:12   (   0.05,-137.21) (  -0.74,-140.61)  388.12                80
 10/25/2021   06:31:53   (   0.04,-137.21) (   0.40,-135.62)  181.18                80
 10/26/2021   18:50:46   (  -0.04,-137.21) (   0.63,-140.18)  338.25                80
 10/27/2021   18:32:47   (  -0.04,-137.21) (  -0.51,-135.19)  230.66                80
 10/29/2021   06:51:47   (   0.03,-137.20) (  -0.56,-139.78)  293.77                80
 10/30/2021   06:28:29   (   0.03,-137.20) (   0.59,-134.79)  274.78                80
 10/31/2021   18:47:21   (  -0.03,-137.19) (   0.46,-139.35)  245.91                80
 11/01/2021   18:29:23   (  -0.02,-137.18) (  -0.68,-134.36)  322.33                80
 11/03/2021   06:48:23   (   0.02,-137.16) (  -0.36,-138.95)  202.94                80