Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 7 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/14/2021   06:13:04   (   0.12,-127.84) (  -0.44,-130.21)  271.50                80
 07/15/2021   05:49:46   (   0.13,-127.80) (   0.71,-125.23)  292.99                80
 07/16/2021   18:08:38   (  -0.12,-127.72) (   0.32,-129.79)  234.97                80
 07/17/2021   17:50:39   (  -0.13,-127.68) (  -0.77,-124.79)  329.94                80
 07/19/2021   06:09:39   (   0.11,-127.64) (  -0.26,-129.38)  197.42                80
 07/20/2021   05:46:19   (   0.13,-127.60) (   0.83,-124.38)  366.25                80
 07/21/2021   18:05:12   (  -0.11,-127.50) (   0.20,-128.94)  163.71                80
 07/22/2021   17:47:12   (  -0.12,-127.45) (  -0.89,-123.94)  400.22                80
 07/24/2021   06:06:13   (   0.11,-127.41) (  -0.13,-128.53)  127.61                80
 07/25/2021   05:42:53   (   0.13,-127.36) (   0.96,-123.53)  435.50                80
 07/26/2021   18:01:45   (  -0.11,-127.25) (   0.07,-128.09)   95.40                80
 07/27/2021   17:43:46   (  -0.13,-127.21) (  -1.02,-123.09)  468.45                80