Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 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)
 02/14/2021   06:16:11   (  -0.12,-127.80) (  -0.86,-131.00)  365.74                80
 02/15/2021   05:52:53   (  -0.11,-127.83) (   0.33,-126.02)  207.05                80
 02/16/2021   18:14:24   (   0.12,-127.96) (   0.68,-130.58)  298.45                80
 02/17/2021   17:51:04   (   0.11,-127.99) (  -0.45,-125.59)  274.00                80
 02/19/2021   06:12:44   (  -0.12,-127.97) (  -0.62,-130.18)  251.96                80
 02/20/2021   05:49:24   (  -0.11,-128.00) (   0.51,-125.19)  320.10                80
 02/21/2021   18:10:55   (   0.12,-128.11) (   0.50,-129.75)  186.70                80
 02/22/2021   17:47:36   (   0.11,-128.14) (  -0.63,-124.75)  384.94                80
 02/24/2021   06:09:15   (  -0.13,-128.10) (  -0.42,-129.34)  142.23                80
 02/25/2021   05:45:56   (  -0.12,-128.12) (   0.71,-124.35)  429.16                80
 02/26/2021   18:07:27   (   0.13,-128.22) (   0.31,-128.91)   78.74                80
 02/27/2021   17:44:08   (   0.12,-128.24) (  -0.82,-123.92)  492.53                80