Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 4 4.  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)
 04/04/2021   17:55:19   (   0.12,-128.31) (  -0.47,-125.58)  310.56                80
 04/06/2021   06:14:19   (  -0.12,-128.18) (  -0.59,-130.17)  227.07                80
 04/07/2021   05:51:00   (  -0.12,-128.16) (   0.57,-125.19)  339.78                80
 04/08/2021   18:09:52   (   0.11,-128.23) (   0.45,-129.75)  173.15                80
 04/09/2021   17:51:53   (   0.12,-128.21) (  -0.65,-124.76)  394.02                80
 04/11/2021   06:10:52   (  -0.11,-128.09) (  -0.41,-129.34)  143.41                80
 04/12/2021   05:47:33   (  -0.12,-128.07) (   0.69,-124.35)  423.24                80
 04/13/2021   18:06:26   (   0.11,-128.12) (   0.26,-128.93)   90.55                80
 04/14/2021   17:48:27   (   0.11,-128.10) (  -0.85,-123.93)  476.11                80
 04/16/2021   06:07:26   (  -0.10,-127.97) (  -0.23,-128.52)   62.20                80