Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 2 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)
 02/19/2021   06:12:44   (  -0.13,-127.96) (  -0.62,-130.18)  252.40                80
 02/20/2021   05:49:24   (  -0.11,-127.99) (   0.51,-125.18)  319.51                80
 02/21/2021   18:10:55   (   0.13,-128.10) (   0.50,-129.75)  187.19                80
 02/22/2021   17:47:36   (   0.11,-128.13) (  -0.62,-124.75)  384.34                80
 02/24/2021   06:09:15   (  -0.13,-128.09) (  -0.43,-129.34)  143.36                80
 02/25/2021   05:45:56   (  -0.12,-128.11) (   0.70,-124.35)  427.89                80
 02/26/2021   18:07:27   (   0.13,-128.21) (   0.32,-128.91)   79.94                80
 02/27/2021   17:44:08   (   0.13,-128.23) (  -0.81,-123.92)  491.24                80
 03/01/2021   06:05:47   (  -0.14,-128.19) (  -0.23,-128.51)   37.13                80
 03/03/2021   18:01:20   (   0.14,-128.30) (   0.07,-128.09)   24.96                80