Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 4.  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)
 10/04/2021   18:05:18   (  -0.34,-127.82) (  -0.09,-128.98)  131.65                80
 10/05/2021   17:47:20   (  -0.33,-127.86) (  -1.21,-123.99)  441.55                80
 10/07/2021   06:03:42   (   0.35,-127.91) (   0.19,-128.59)   77.15                80
 10/08/2021   05:45:44   (   0.34,-127.94) (   1.32,-123.60)  495.55                80
 10/09/2021   18:01:56   (  -0.35,-127.99) (  -0.33,-128.16)   19.42                80
 10/12/2021   06:02:59   (   0.35,-128.05) (   0.39,-127.76)   33.24                80
 10/13/2021   18:19:11   (  -0.35,-128.08) (   0.61,-132.32)  483.01                80
 10/14/2021   18:01:13   (  -0.34,-128.11) (  -0.52,-127.33)   88.82                80
 10/16/2021   06:17:35   (   0.35,-128.15) (  -0.47,-131.93)  430.84                80
 10/17/2021   05:59:36   (   0.34,-128.17) (   0.60,-126.93)  140.91                80