Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 4 3.  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)
 04/03/2021   18:13:19   (   0.12,-128.33) (   0.62,-130.58)  256.58                80
 04/04/2021   17:55:20   (   0.12,-128.31) (  -0.49,-125.59)  310.63                80
 04/06/2021   06:14:19   (  -0.12,-128.19) (  -0.57,-130.18)  226.69                80
 04/07/2021   05:51:00   (  -0.12,-128.17) (   0.53,-125.18)  340.22                80
 04/08/2021   18:09:53   (   0.12,-128.24) (   0.43,-129.76)  172.68                80
 04/09/2021   17:51:53   (   0.12,-128.22) (  -0.68,-124.76)  394.63                80
 04/11/2021   06:10:53   (  -0.11,-128.10) (  -0.39,-129.35)  142.48                80
 04/12/2021   05:47:33   (  -0.12,-128.07) (   0.72,-124.35)  424.24                80
 04/13/2021   18:06:25   (   0.11,-128.13) (   0.30,-128.92)   89.46                80
 04/14/2021   17:48:26   (   0.11,-128.11) (  -0.81,-123.92)  477.26                80
 04/16/2021   06:07:26   (  -0.10,-127.98) (  -0.20,-128.52)   60.75                80