Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 11 1.  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)
 11/01/2021   05:49:24   (   0.32,-128.42) (   1.22,-124.45)  452.56                80
 11/02/2021   18:05:36   (  -0.32,-128.44) (  -0.17,-129.00)   64.68                80
 11/05/2021   06:06:38   (   0.32,-128.44) (   0.28,-128.60)   18.77                80
 11/07/2021   18:04:52   (  -0.31,-128.45) (  -0.37,-128.17)   31.71                80
 11/09/2021   06:23:52   (   0.30,-128.43) (  -0.65,-132.76)  493.03                80
 11/10/2021   06:00:33   (   0.30,-128.43) (   0.44,-127.76)   75.63                80
 11/11/2021   18:22:06   (  -0.29,-128.43) (   0.57,-132.33)  443.82                80
 11/12/2021   17:58:47   (  -0.29,-128.43) (  -0.51,-127.33)  124.89                80
 11/14/2021   06:20:27   (   0.28,-128.41) (  -0.49,-131.92)  399.79                80