Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 5 2.  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)
 05/02/2021   18:13:17   (   0.03,-127.74) (   0.68,-130.59)  325.26                80
 05/03/2021   17:55:18   (   0.04,-127.78) (  -0.44,-125.60)  248.51                80
 05/05/2021   06:14:19   (  -0.03,-127.78) (  -0.56,-130.20)  275.54                80
 05/06/2021   05:50:59   (  -0.04,-127.82) (   0.55,-125.21)  297.56                80
 05/07/2021   18:09:51   (   0.03,-127.94) (   0.44,-129.77)  209.51                80
 05/08/2021   17:51:51   (   0.04,-127.98) (  -0.67,-124.78)  364.25                80
 05/10/2021   06:10:53   (  -0.03,-127.98) (  -0.33,-129.39)  159.52                80
 05/11/2021   05:47:33   (  -0.04,-128.01) (   0.78,-124.39)  413.16                80
 05/12/2021   18:06:24   (   0.03,-128.12) (   0.20,-128.96)   95.42                80
 05/13/2021   17:48:25   (   0.03,-128.15) (  -0.92,-123.96)  477.58                80
 05/15/2021   06:07:25   (  -0.03,-128.15) (  -0.15,-128.56)   46.92                80