Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 11 28.  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)
 11/29/2021   06:10:09   (   0.22,-128.21) (  -0.04,-129.40)  134.76                80
 11/30/2021   05:46:49   (   0.23,-128.19) (   1.06,-124.40)  431.91                80
 12/01/2021   18:08:23   (  -0.22,-128.18) (  -0.05,-128.96)   88.70                80
 12/02/2021   17:45:03   (  -0.22,-128.16) (  -1.15,-123.97)  477.55                80
 12/04/2021   06:06:43   (   0.21,-128.09) (   0.11,-128.55)   52.89                80
 12/06/2021   18:02:16   (  -0.20,-128.03) (  -0.21,-128.12)    9.80                80
 12/09/2021   06:00:36   (   0.19,-127.92) (   0.26,-127.71)   25.35                80
 12/10/2021   18:22:09   (  -0.17,-127.90) (   0.78,-132.26)  497.04                80
 12/11/2021   17:58:49   (  -0.18,-127.87) (  -0.32,-127.27)   68.50                80