Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 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)
 10/18/2021   18:15:48   (  -0.35,-128.23) (   0.39,-131.50)  372.79                80
 10/19/2021   17:57:50   (  -0.34,-128.25) (  -0.74,-126.51)  198.93                80
 10/21/2021   06:16:51   (   0.35,-128.28) (  -0.30,-131.10)  321.42                80
 10/22/2021   05:56:12   (   0.34,-128.30) (   0.84,-126.11)  249.91                80
 10/23/2021   18:12:25   (  -0.34,-128.33) (   0.18,-130.67)  266.85                80
 10/24/2021   17:54:26   (  -0.34,-128.34) (  -0.95,-125.68)  304.17                80
 10/26/2021   06:13:28   (   0.34,-128.37) (  -0.06,-130.28)  217.00                80
 10/27/2021   05:52:48   (   0.33,-128.38) (   1.02,-125.27)  353.55                80
 10/28/2021   18:09:00   (  -0.33,-128.39) (   0.02,-129.83)  164.57                80
 10/29/2021   17:51:02   (  -0.32,-128.40) (  -1.11,-124.84)  405.77                80
 10/31/2021   06:10:03   (   0.32,-128.42) (   0.12,-129.44)  115.92                80