Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 3 10.  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)
 03/10/2021   18:12:33   (   0.15,-128.41) (   0.46,-129.74)  151.26                80
 03/11/2021   17:49:13   (   0.14,-128.42) (  -0.65,-124.74)  418.80                80
 03/13/2021   06:10:52   (  -0.15,-128.35) (  -0.39,-129.33)  112.69                80
 03/14/2021   05:47:33   (  -0.15,-128.36) (   0.73,-124.34)  457.25                80
 03/15/2021   18:08:08   (   0.15,-128.46) (   0.24,-128.91)   51.70                22
 03/18/2021   06:07:26   (  -0.15,-128.38) (  -0.16,-128.51)   14.23                80
 03/20/2021   18:05:39   (   0.14,-128.47) (   0.08,-128.08)   44.82                80
 03/22/2021   06:24:38   (  -0.14,-128.38) (  -1.10,-132.67)  488.18                80
 03/23/2021   06:01:19   (  -0.14,-128.38) (   0.01,-127.67)   80.32                80