Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 23.  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)
 10/23/2021   18:12:25   (  -0.34,-128.33) (   0.17,-130.67)  266.86                80
 10/24/2021   17:54:26   (  -0.34,-128.34) (  -0.96,-125.68)  304.00                80
 10/26/2021   06:13:27   (   0.34,-128.35) (  -0.11,-130.27)  218.54                80
 10/27/2021   05:52:48   (   0.33,-128.36) (   1.03,-125.28)  351.85                80
 10/28/2021   18:09:01   (  -0.33,-128.39) (   0.01,-129.83)  165.38                80
 10/29/2021   17:51:02   (  -0.32,-128.40) (  -1.12,-124.85)  404.76                80
 10/31/2021   06:10:02   (   0.32,-128.40) (   0.07,-129.43)  118.31                80
 11/01/2021   05:46:44   (   0.32,-128.41) (   1.21,-124.44)  451.50                80
 11/02/2021   18:05:37   (  -0.32,-128.42) (  -0.22,-129.01)   66.74                80
 11/05/2021   06:06:38   (   0.32,-128.42) (   0.27,-128.60)   20.94                80