Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 5 5.  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)
 05/06/2021   05:50:59   (  -0.03,-127.81) (   0.53,-125.20)  296.86                80
 05/07/2021   18:09:51   (   0.02,-127.93) (   0.41,-129.78)  210.66                80
 05/08/2021   17:51:52   (   0.03,-127.97) (  -0.71,-124.79)  362.89                80
 05/10/2021   06:10:52   (  -0.02,-127.97) (  -0.36,-129.38)  161.24                80
 05/11/2021   05:47:33   (  -0.03,-128.00) (   0.76,-124.38)  411.24                80
 05/12/2021   18:06:24   (   0.02,-128.10) (   0.22,-128.95)   97.73                80
 05/13/2021   17:48:25   (   0.03,-128.13) (  -0.89,-123.96)  475.01                80
 05/15/2021   06:07:26   (  -0.02,-128.13) (  -0.12,-128.56)   49.76                80
 05/17/2021   18:05:38   (   0.01,-128.23) (  -0.02,-128.14)   10.96                80