Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 17.  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)
 02/19/2021   06:12:43   (  -0.13,-127.96) (  -0.63,-130.17)  252.40                80
 02/20/2021   05:49:24   (  -0.11,-127.99) (   0.50,-125.18)  319.52                80
 02/21/2021   18:10:55   (   0.13,-128.10) (   0.51,-129.74)  187.26                80
 02/22/2021   17:47:36   (   0.11,-128.13) (  -0.61,-124.75)  384.30                80
 02/24/2021   06:09:16   (  -0.13,-128.09) (  -0.38,-129.35)  143.33                80
 02/25/2021   05:45:57   (  -0.12,-128.11) (   0.75,-124.36)  427.94                80
 02/26/2021   18:07:28   (   0.13,-128.21) (   0.27,-128.92)   79.94                80
 02/27/2021   17:44:08   (   0.13,-128.23) (  -0.85,-123.93)  491.21                80
 03/01/2021   06:05:48   (  -0.14,-128.19) (  -0.19,-128.52)   37.10                80
 03/03/2021   18:01:20   (   0.14,-128.30) (   0.08,-128.08)   24.84                80