Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 22.  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)
 12/23/2021   06:13:38   (   0.12,-127.92) (  -0.40,-130.18)  258.50                80
 12/24/2021   05:50:20   (   0.12,-127.94) (   0.74,-125.19)  313.46                80
 12/25/2021   18:11:52   (  -0.11,-128.00) (   0.29,-129.75)  200.38                80
 12/26/2021   17:48:33   (  -0.11,-128.02) (  -0.86,-124.77)  371.53                80
 12/28/2021   06:10:14   (   0.10,-128.06) (  -0.20,-129.36)  148.50                80
 12/29/2021   05:46:55   (   0.11,-128.08) (   0.94,-124.37)  422.79                80
 12/30/2021   18:08:28   (  -0.09,-128.12) (   0.06,-128.93)   92.37                80
 12/31/2021   17:45:08   (  -0.10,-128.14) (  -1.03,-123.93)  478.61                80
 01/02/2022   06:06:49   (   0.09,-128.15) (   0.02,-128.53)   42.96                80
 01/04/2022   18:02:22   (  -0.08,-128.19) (  -0.12,-128.10)   11.62                80