Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 8 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 08/24/2021   06:17:00   (  -0.03,-128.30) (  -0.66,-131.04)  312.78                80
 08/25/2021   05:53:41   (   0.00,-128.31) (   0.48,-126.05)  256.31                80
 08/26/2021   18:15:11   (   0.03,-128.24) (   0.55,-130.61)  269.35                80
 08/27/2021   17:51:52   (   0.01,-128.25) (  -0.60,-125.62)  300.06                80
 08/29/2021   06:13:31   (  -0.05,-128.33) (  -0.44,-130.21)  214.24                80
 08/30/2021   05:50:10   (  -0.02,-128.33) (   0.65,-125.21)  354.31                80
 08/31/2021   18:11:40   (   0.06,-128.25) (   0.42,-129.76)  172.71                80
 09/01/2021   17:48:20   (   0.04,-128.25) (  -0.73,-124.77)  395.89                80
 09/03/2021   06:10:00   (  -0.07,-128.32) (  -0.32,-129.36)  119.27                80
 09/04/2021   05:46:40   (  -0.05,-128.31) (   0.83,-124.38)  448.51                80
 09/05/2021   18:08:09   (   0.08,-128.22) (   0.23,-128.92)   79.74                80