Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2021   16:24:09   (  -0.27,-128.41) (  -0.19,-128.67)   30.99                80
 11/21/2021   04:31:26   (   0.27,-128.36) (  -0.20,-130.46)  239.05                80
 11/22/2021   16:38:57   (  -0.26,-128.36) (   0.63,-132.30)  448.92                80
 11/23/2021   16:13:27   (  -0.26,-128.34) (  -0.86,-125.49)  324.56                80
 11/25/2021   04:20:43   (   0.25,-128.29) (   0.49,-127.27)  116.04                80
 11/26/2021   16:25:35   (  -0.25,-128.29) (  -0.06,-129.12)   94.92                80
 11/28/2021   04:32:51   (   0.25,-128.23) (  -0.34,-130.89)  303.63                80
 11/29/2021   04:07:20   (   0.24,-128.21) (   1.16,-124.09)  469.30                80
 11/30/2021   16:14:52   (  -0.24,-128.20) (  -0.72,-125.93)  257.60                80
 12/02/2021   04:22:08   (   0.24,-128.13) (   0.32,-127.71)   48.14                80