Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 12 12.  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)
 12/12/2020   05:53:24   (  -0.23,-128.17) (   0.43,-125.15)  344.20                80
 12/13/2020   18:09:37   (   0.22,-128.17) (   0.54,-129.72)  176.05                80
 12/14/2020   17:51:38   (   0.23,-128.19) (  -0.54,-124.72)  394.65                80
 12/16/2020   06:07:59   (  -0.22,-128.22) (  -0.46,-129.32)  125.25                80
 12/17/2020   05:50:00   (  -0.24,-128.23) (   0.63,-124.32)  445.51                80
 12/18/2020   18:06:12   (   0.22,-128.23) (   0.39,-128.88)   75.01                80
 12/19/2020   17:48:13   (   0.24,-128.24) (  -0.75,-123.90)  495.59                80
 12/21/2020   06:04:35   (  -0.22,-128.27) (  -0.25,-128.50)   24.93                80
 12/23/2020   18:05:27   (   0.21,-128.28) (   0.17,-128.06)   25.26                80
 12/25/2020   06:21:49   (  -0.19,-128.31) (  -1.19,-132.66)  496.50                80