Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 13.  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)
 02/14/2021   06:16:12   (  -0.12,-127.80) (  -0.83,-131.01)  365.76                80
 02/15/2021   05:52:52   (  -0.10,-127.83) (   0.30,-126.02)  207.02                80
 02/16/2021   18:14:23   (   0.12,-127.96) (   0.71,-130.58)  298.41                80
 02/17/2021   17:51:04   (   0.11,-127.99) (  -0.42,-125.59)  274.03                80
 02/19/2021   06:12:43   (  -0.12,-127.97) (  -0.64,-130.17)  251.90                80
 02/20/2021   05:49:25   (  -0.11,-128.00) (   0.54,-125.19)  320.22                80
 02/21/2021   18:10:56   (   0.12,-128.11) (   0.47,-129.75)  186.58                80
 02/22/2021   17:47:37   (   0.11,-128.14) (  -0.66,-124.76)  385.10                80
 02/24/2021   06:09:16   (  -0.13,-128.10) (  -0.39,-129.35)  142.03                80
 02/25/2021   05:45:56   (  -0.12,-128.12) (   0.74,-124.36)  429.37                80
 02/26/2021   18:07:28   (   0.13,-128.23) (   0.28,-128.92)   78.47                80