Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 18.  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)
 12/18/2021   06:17:02   (   0.14,-127.76) (  -0.60,-131.01)  370.60                80
 12/19/2021   05:53:44   (   0.15,-127.79) (   0.54,-126.02)  201.79                80
 12/20/2021   18:15:16   (  -0.13,-127.85) (   0.51,-130.58)  311.87                80
 12/21/2021   17:51:58   (  -0.13,-127.88) (  -0.63,-125.59)  260.46                80
 12/23/2021   06:13:39   (   0.12,-127.92) (  -0.36,-130.19)  258.44                80
 12/24/2021   05:50:19   (   0.12,-127.94) (   0.72,-125.19)  313.49                80
 12/25/2021   18:11:52   (  -0.11,-127.99) (   0.31,-129.75)  200.86                80
 12/26/2021   17:48:33   (  -0.11,-128.02) (  -0.84,-124.76)  371.02                80
 12/28/2021   06:10:15   (   0.10,-128.05) (  -0.17,-129.36)  148.65                80
 12/29/2021   05:46:55   (   0.11,-128.08) (   0.92,-124.36)  422.62                80
 12/30/2021   18:08:27   (  -0.09,-128.11) (   0.09,-128.93)   93.02                80
 12/31/2021   17:45:09   (  -0.10,-128.13) (  -1.06,-123.94)  477.89                80