Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 24.  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)
 12/24/2021   05:50:19   (   0.12,-127.95) (   0.73,-125.19)  313.57                80
 12/25/2021   18:11:52   (  -0.10,-128.00) (   0.29,-129.75)  200.06                80
 12/26/2021   17:48:33   (  -0.11,-128.03) (  -0.85,-124.77)  371.90                80
 12/28/2021   06:10:14   (   0.10,-128.06) (  -0.21,-129.35)  148.15                80
 12/29/2021   05:46:55   (   0.11,-128.08) (   0.93,-124.37)  423.22                80
 12/30/2021   18:08:27   (  -0.09,-128.12) (   0.07,-128.93)   91.68                80
 12/31/2021   17:45:08   (  -0.10,-128.14) (  -1.02,-123.93)  479.33                80
 01/02/2022   06:06:49   (   0.09,-128.16) (   0.01,-128.53)   42.27                80
 01/04/2022   18:02:22   (  -0.08,-128.20) (  -0.12,-128.10)   12.48                80