Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 7 19.  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)
 07/19/2021   06:09:39   (   0.11,-127.65) (  -0.26,-129.38)  196.82                80
 07/20/2021   05:46:20   (   0.12,-127.60) (   0.84,-124.38)  367.02                80
 07/21/2021   18:05:12   (  -0.10,-127.51) (   0.19,-128.94)  162.03                80
 07/22/2021   17:47:12   (  -0.12,-127.47) (  -0.90,-123.94)  402.12                80
 07/24/2021   06:06:13   (   0.10,-127.42) (  -0.13,-128.53)  125.98                80
 07/25/2021   05:42:53   (   0.12,-127.37) (   0.96,-123.53)  437.31                80
 07/26/2021   18:01:45   (  -0.11,-127.28) (   0.07,-128.09)   92.71                80
 07/27/2021   17:43:46   (  -0.12,-127.23) (  -1.03,-123.09)  471.37                80
 07/29/2021   06:02:46   (   0.10,-127.19) (   0.00,-127.69)   55.91                80
 07/31/2021   17:58:19   (  -0.10,-127.04) (  -0.07,-127.25)   23.62                80