Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 5 30.  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)
 05/30/2021   05:54:25   (   0.06,-128.40) (   0.58,-126.10)  262.24                80
 05/31/2021   18:13:16   (  -0.07,-128.45) (   0.44,-130.66)  251.95                80
 06/01/2021   17:55:16   (  -0.07,-128.46) (  -0.68,-125.66)  318.63                80
 06/03/2021   06:14:17   (   0.07,-128.45) (  -0.32,-130.27)  207.28                80
 06/04/2021   05:50:58   (   0.07,-128.46) (   0.80,-125.28)  362.52                80
 06/05/2021   18:09:48   (  -0.08,-128.50) (   0.22,-129.83)  152.55                80
 06/06/2021   17:51:49   (  -0.07,-128.51) (  -0.90,-124.84)  417.77                80
 06/08/2021   06:10:49   (   0.08,-128.49) (  -0.15,-129.44)  108.02                80
 06/09/2021   05:47:30   (   0.08,-128.49) (   0.98,-124.45)  461.08                80
 06/10/2021   18:06:21   (  -0.08,-128.52) (   0.00,-129.01)   56.11                80