Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 10 5.  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)
 10/07/2021   06:03:43   (   0.35,-127.91) (   0.22,-128.59)   76.84                80
 10/08/2021   05:45:43   (   0.34,-127.95) (   1.29,-123.59)  495.99                80
 10/09/2021   18:01:55   (  -0.35,-127.99) (  -0.29,-128.15)   18.97                80
 10/12/2021   06:02:59   (   0.35,-128.06) (   0.41,-127.76)   33.95                80
 10/13/2021   18:19:12   (  -0.35,-128.09) (   0.58,-132.32)  482.15                80
 10/14/2021   18:01:13   (  -0.34,-128.12) (  -0.54,-127.33)   89.82                80
 10/16/2021   06:17:34   (   0.35,-128.16) (  -0.51,-131.93)  429.62                80
 10/17/2021   05:59:36   (   0.34,-128.18) (   0.63,-126.94)  142.22                80
 10/18/2021   18:15:48   (  -0.35,-128.21) (   0.38,-131.50)  374.16                80
 10/19/2021   17:57:50   (  -0.35,-128.24) (  -0.75,-126.51)  197.66                80