Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 11.  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)
 02/11/2021   18:15:13   (  -0.08,-127.64) (   0.79,-131.44)  433.22                80
 02/12/2021   17:57:14   (  -0.05,-127.68) (  -0.34,-126.45)  141.07                80
 02/14/2021   06:13:34   (   0.09,-127.72) (  -0.68,-131.04)  379.77                80
 02/15/2021   05:55:35   (   0.06,-127.76) (   0.45,-126.05)  194.62                80
 02/16/2021   18:11:47   (  -0.11,-127.84) (   0.50,-130.63)  316.64                80
 02/17/2021   17:53:46   (  -0.08,-127.88) (  -0.57,-125.62)  257.27                80
 02/19/2021   06:10:08   (   0.13,-127.91) (  -0.37,-130.23)  264.55                80
 02/20/2021   05:52:07   (   0.10,-127.94) (   0.70,-125.23)  309.10                80
 02/21/2021   18:08:20   (  -0.14,-128.02) (   0.26,-129.80)  203.29                80
 02/22/2021   17:50:20   (  -0.12,-128.05) (  -0.87,-124.81)  369.79                80
 02/24/2021   06:06:40   (   0.16,-128.06) (  -0.12,-129.41)  153.33                80