Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 7 6.  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)
 07/07/2021   17:57:30   (  -0.12,-128.05) (  -0.49,-126.47)  179.39                80
 07/09/2021   06:16:31   (   0.11,-128.01) (  -0.55,-131.07)  347.83                80
 07/10/2021   05:53:11   (   0.13,-127.97) (   0.54,-126.07)  216.90                80
 07/11/2021   18:12:04   (  -0.12,-127.90) (   0.49,-130.62)  310.40                80
 07/12/2021   17:54:05   (  -0.13,-127.87) (  -0.66,-125.64)  254.75                80
 07/14/2021   06:13:04   (   0.12,-127.83) (  -0.44,-130.22)  272.60                80
 07/15/2021   05:49:46   (   0.14,-127.79) (   0.71,-125.23)  291.66                80
 07/16/2021   18:08:38   (  -0.13,-127.71) (   0.32,-129.79)  236.89                80
 07/17/2021   17:50:39   (  -0.13,-127.67) (  -0.77,-124.79)  327.78                80
 07/19/2021   06:09:39   (   0.12,-127.63) (  -0.26,-129.38)  199.72                80
 07/20/2021   05:46:20   (   0.13,-127.58) (   0.83,-124.38)  363.74                80