Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 4 21.  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)
 04/21/2021   06:01:19   (  -0.08,-127.77) (  -0.07,-127.68)   10.58                80
 04/23/2021   18:02:12   (   0.07,-127.76) (  -0.06,-127.26)   58.63                80
 04/25/2021   06:21:11   (  -0.07,-127.63) (  -1.03,-131.84)  480.53                80
 04/26/2021   05:57:52   (  -0.07,-127.58) (   0.08,-126.84)   84.01                80
 04/27/2021   18:16:44   (   0.07,-127.60) (   0.89,-131.42)  434.61                80
 04/28/2021   17:58:43   (   0.07,-127.55) (  -0.16,-126.41)  129.96                80
 04/30/2021   06:17:44   (  -0.06,-127.41) (  -0.88,-131.00)  410.14                80
 05/01/2021   05:54:24   (  -0.06,-127.36) (   0.23,-126.01)  153.41                80
 05/02/2021   18:13:15   (   0.05,-127.35) (   0.78,-130.57)  366.85                80
 05/03/2021   17:55:16   (   0.06,-127.31) (  -0.33,-125.58)  197.16                80