Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/08/2021   05:50:01   (   0.30,-128.45) (   1.03,-125.26)  363.77                80
 11/09/2021   18:11:32   (  -0.30,-128.46) (   0.03,-129.82)  155.50                80
 11/10/2021   17:50:53   (  -0.29,-128.45) (  -1.08,-124.82)  413.43                80
 11/12/2021   06:09:53   (   0.29,-128.44) (   0.07,-129.42)  111.06                80
 11/13/2021   05:46:34   (   0.29,-128.44) (   1.18,-124.42)  457.75                80
 11/14/2021   18:08:06   (  -0.28,-128.44) (  -0.18,-128.99)   61.66                80
 11/17/2021   06:06:26   (   0.28,-128.43) (   0.23,-128.58)   17.46                80
 11/19/2021   18:01:59   (  -0.27,-128.42) (  -0.35,-128.15)   30.82                80
 11/21/2021   06:23:38   (   0.26,-128.40) (  -0.70,-132.74)  494.47                80