Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 4 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)
 04/02/2021   05:54:26   (  -0.13,-128.26) (   0.34,-126.01)  256.00                80
 04/03/2021   18:13:19   (   0.13,-128.33) (   0.63,-130.58)  256.58                80
 04/04/2021   17:55:19   (   0.12,-128.31) (  -0.47,-125.58)  310.66                80
 04/06/2021   06:14:19   (  -0.12,-128.19) (  -0.58,-130.17)  226.50                80
 04/07/2021   05:51:00   (  -0.12,-128.17) (   0.58,-125.19)  340.46                80
 04/08/2021   18:09:53   (   0.12,-128.24) (   0.45,-129.75)  172.49                80
 04/09/2021   17:51:53   (   0.12,-128.22) (  -0.66,-124.76)  394.83                80
 04/11/2021   06:10:52   (  -0.11,-128.10) (  -0.40,-129.34)  142.10                80
 04/12/2021   05:47:33   (  -0.12,-128.08) (   0.70,-124.35)  424.66                80
 04/13/2021   18:06:25   (   0.11,-128.14) (   0.31,-128.91)   89.16                80
 04/14/2021   17:48:27   (   0.11,-128.12) (  -0.85,-123.93)  477.66                80