Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 17.  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)
 09/17/2021   06:17:34   (   0.31,-128.01) (  -0.56,-131.92)  445.07                80
 09/18/2021   05:59:33   (   0.29,-127.99) (   0.53,-126.92)  121.44                80
 09/19/2021   18:15:43   (  -0.32,-127.90) (   0.50,-131.47)  407.98                80
 09/20/2021   17:57:42   (  -0.31,-127.87) (  -0.59,-126.47)  158.75                80
 09/22/2021   06:14:03   (   0.33,-127.87) (  -0.36,-131.09)  365.61                80
 09/23/2021   05:56:02   (   0.31,-127.84) (   0.68,-126.08)  200.81                80
 09/24/2021   18:12:12   (  -0.34,-127.75) (   0.29,-130.64)  329.17                80
 09/25/2021   17:54:12   (  -0.32,-127.72) (  -0.81,-125.64)  237.05                80
 09/27/2021   06:10:32   (   0.34,-127.71) (  -0.20,-130.25)  287.98                80
 09/28/2021   05:52:31   (   0.32,-127.68) (   0.84,-125.23)  277.68                80
 09/29/2021   18:08:41   (  -0.34,-127.57) (   0.13,-129.80)  253.62                80
 09/30/2021   17:50:39   (  -0.32,-127.53) (  -0.91,-124.79)  311.78                80