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)
 11/02/2021   18:05:37   (  -0.32,-128.44) (  -0.22,-129.01)   64.62                80
 11/05/2021   06:06:38   (   0.32,-128.44) (   0.27,-128.60)   18.53                80
 11/07/2021   18:04:52   (  -0.31,-128.45) (  -0.35,-128.17)   32.17                80
 11/09/2021   06:23:52   (   0.30,-128.44) (  -0.67,-132.76)  492.50                80
 11/10/2021   06:00:33   (   0.30,-128.43) (   0.42,-127.76)   76.27                80
 11/11/2021   18:22:06   (  -0.29,-128.44) (   0.59,-132.33)  443.22                80
 11/12/2021   17:58:47   (  -0.29,-128.43) (  -0.56,-127.34)  125.54                80
 11/14/2021   06:20:27   (   0.28,-128.42) (  -0.50,-131.92)  398.98                80
 11/15/2021   05:57:08   (   0.29,-128.42) (   0.64,-126.93)  169.64                80